2025 GMC Sierra 2500HD

2WD Crew Cab 159" Pro
MSRP: $50,000
Trims
2025 GMC Sierra 2500HD Standard Equipment
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
  • Transmission, Allison 10-Speed automatic
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Pickup bed includes bed assist step
  • GVWR, 10,150 lbs. (4604 kg) (Included and only available with TC20743 model and (L8T) 6.6L V8 gas engine with 17″ wheels.)
  • Push Button Start
  • Auto-locking rear differential
  • Rear wheel drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Trailer brake controller, integrated
  • Recovery hooks, front, frame-mounted, Black
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension Package
  • Steering, Recirculating Ball with smart flow power steering system
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
  • Wheels, 17″ (43.2 cm) painted steel, Silver
  • Tires, LT245/75R17E all-season, blackwall
  • Tire, spare LT245/75R17E all-season, blackwall (Included and only available with (QHQ) LT245/75R17E all-season, blackwall tires with (E63) pickup bed models. Available to order when (ZW9) pickup bed delete and (QHQ) LT245/75R17E all-season, blackwall tires are ordered.)
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
  • Bumper, front chrome lower
  • Bumper, rear chrome with bumper CornerSteps
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
  • CornerStep, rear bumper
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Moldings, beltline, Black
  • Grille (Chrome with flat black grille insert bars.)
  • Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
  • Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31″ [84.25mm]), molded in Black (Not available on Regular Cab models.)
  • Glass, solar absorbing, tinted
  • Door handles, Black grained
  • Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
  • Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
  • Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
  • Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
  • Audio system, GMC Infotainment System with 7″ diagonal color touch-screen AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable
  • Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Wireless phone projection for Apple CarPlay and Android Auto
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
  • Seat trim, Vinyl
  • Seat adjuster, driver 4-way manual
  • Seat adjuster, passenger 4-way manual
  • Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
  • Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
  • Steering wheel, urethane
  • Steering column, Tilt-Wheel, manual with wheel locking security feature
  • Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Driver Information Center, 3.5″ diagonal monochromatic display
  • Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Windows, power front, drivers express up/down
  • Window, power front, passenger express down
  • Windows, power rear, express down
  • Door locks, power
  • Remote Keyless Entry
  • Cruise control, steering wheel-mounted
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Power outlet, front auxiliary, 12-volt
  • Air conditioning, single-zone
  • Air vents, rear (Not available with Regular Cab model.)
  • Mirror, inside rearview, manual tilt
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Daytime Running Lamps, LED signature lighting
  • LED Signature DRL’s
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner’s Manual for more information.)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision or (ZW9) pickup bed delete. Not available with (Z6A) Gooseneck / 5th Wheel Prep Package.)
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
  • Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you’re in need. (OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. For MY25 vehicles, OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
2025 GMC Sierra 2500HD Available Options
  • EMISSIONS, FEDERAL REQUIREMENTS (FE9)
  • EMISSIONS, CALIFORNIA STATE REQUIREMENTS (YF5)
  • EMISSIONS, COLORADO, CONNECTICUT, DELAWARE, MAINE, MARYLAND, MASSACHUSETTS, MINNESOTA, NEVADA, NEW JERSEY, NEW YORK, OREGON, PENNSYLVANIA, RHODE ISLAND, VERMONT, VIRGINIA AND WASHINGTON STATE REQUIREMENTS (NE1)
  • EMISSIONS OVERRIDE, CALIFORNIA (NB8)
  • EMISSIONS OVERRIDE, STATE-SPECIFIC (NB9)
  • EMISSIONS OVERRIDE, FEDERAL (NC7)
  • ENGINE, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (L8T) – Standard
  • ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (L5P)
  • TRANSMISSION, ALLISON 10-SPEED AUTOMATIC (MKM) – Standard
  • TRANSMISSION, ALLISON 10-SPEED AUTOMATIC (MGM)
  • GVWR, 11,050 LBS. (5012 KG) (JGJ)
  • GVWR, 10,150 LBS. (4604 KG) (JGA) – Standard
  • LOWERED GVWR, 10,000 LBS. (4536 KG), LOWERS GVWR AND SIGNIFICANTLY DECREASES TOWING AND/OR PAYLOAD RATINGS (C7A)
  • GVWR, 10,800 LBS. (4899 KG) (JFL)
  • GVWR, 11,500 LBS. (5216 KG) (G1Y)
  • REAR AXLE, 3.73 RATIO (GT4)
  • REAR AXLE, 3.42 RATIO (GU6)
  • PRO PREFERRED EQUIPMENT GROUP includes standard equipment (1SA)
  • WHEELS, 17″ (43.2 CM) MACHINED ALUMINUM (PYQ)
  • WHEELS, 17″ (43.2 CM) PAINTED STEEL, SILVER (PYN)
  • WHEELS, 18″ (45.7 CM) 8-SPOKE PAINTED STEEL, SILVER EXTENDED (PYT)
  • TIRES, LT275/70R18E ALL-TERRAIN, BLACKWALL (QF6)
  • TIRES, LT245/75R17E ALL-SEASON, BLACKWALL (QHQ) – Standard
  • TIRES, LT265/70R17E ALL-TERRAIN, BLACKWALL (QXT)
  • TIRE, SPARE LT245/75R17E ALL-SEASON, BLACKWALL (ZHQ) – Standard
  • TIRE, SPARE LT265/70R17E ALL-TERRAIN, BLACKWALL (ZXT)
  • TIRE, SPARE LT275/70R18 ALL-TERRAIN, BLACKWALL (ZYG)
  • SUMMIT WHITE (GAZ)
  • ONYX BLACK (GBA)
  • CARDINAL RED (G7C)
  • STERLING METALLIC (GXD)
  • DOWNPOUR METALLIC (GXP)
  • THUNDERSTORM GRAY (GNO)
  • STANDARD PAINT (undefined)
  • SEATS, FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (AZ3) – Standard
  • JET BLACK, VINYL SEAT TRIM (H2G)
  • JET BLACK, CLOTH SEAT TRIM (H1T)
  • JET BLACK, CLOTH SEAT TRIM (H0U)
  • AUDIO SYSTEM, GMC INFOTAINMENT SYSTEM WITH 7″ DIAGONAL COLOR TOUCH-SCREEN AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable (IOR) – Standard
  • 1SA PRO SAFETY PLUS PACKAGE includes (UD5) Front and Rear Park Assist, (UFG) Rear Cross Traffic Alert, (UKC) Lane Change Alert with Side Blind Zone Alert and (DWI) trailer mirrors (PQA)
  • MAX TRAILERING PACKAGE includes 3500 HD Frame, 3500 HD Leaf Springs, 12″ Rear axle, 3500 HD Shock Package, and (Z6A) Gooseneck / 5th Wheel Prep provisions with bed stamped holes and caps (NHT)
  • CONVENIENCE PACKAGE (PCI)
  • FLEET CONVENIENCE PACKAGE includes (QT5) EZ Lift power lock and release tailgate (ZLQ)
  • LPO, GMC PROTECTION PACKAGE includes (RIA) all-weather floor liner, LPO and (VQK) front and rear Black molded splash guards, LPO, (dealer-installed) (PDH)
  • LPO, HITCH PACKAGE Gooseneck ball and chain tiedown kit with case, (dealer-installed) (SNO)
  • HEAVY DUTY FRONT SPRING/CAMPER PACKAGE Note: If ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions (F60)
  • E85 FLEXFUEL CAPABLE (FHS)
  • DPF, DIESEL PARTICULATE FILTER, MANUAL REGENERATION customer regeneration will not be allowed until the DPF load percentage has reached 100% full and a driver information center (DIC) message has been shown (FPF)
  • ENGINE BLOCK HEATER (K05)
  • BATTERY, HEAVY-DUTY DUAL 730 COLD-CRANKING AMPS/70 AMP-HR maintenance-free with rundown protection and retained accessory power (undefined)
  • BATTERY, AUXILIARY, 700 COLD-CRANKING AMPS/70 AMP-HR (K4Z)
  • ALTERNATOR, 220 AMP (KW5)
  • ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY (KHF)
  • HIGH IDLE SWITCH (UF3)
  • TRAILERING WIRING PROVISIONS, FOR TRAILERING, 5TH WHEEL AND GOOSENECK TRAILER includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member (UY2)
  • GOOSENECK / 5TH WHEEL PREP PACKAGE — HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. (Z6A)
  • SKID PLATES protect the oil pan, front axle and transfer case (NZZ)
  • EXHAUST BRAKE (K40)
  • CAPPED FUEL FILL (undefined)
  • LPO, WHEEL LOCKS, SET OF 4 (dealer-installed) (SFE)
  • LPO, BLACK TUBULAR ASSIST STEPS, 6″ RECTANGULAR (dealer-installed) (RVQ)
  • LPO, BLACK TUBULAR ASSIST STEPS, 4″ ROUND (dealer-installed) (RVS)
  • LPO, ASSIST STEPS, CHROMED TUBULAR, 4″ ROUND (dealer-installed) (VXJ)
  • LPO, BLACK ASSIST STEP (dealer-installed) (VQO)
  • BEDLINER, SPRAY-ON, PICKUP BEDLINER with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (CGN)
  • LPO, CARGO TIE-DOWN RINGS, SET OF 4 (dealer-installed) (5VI)
  • LPO, TRI-FOLD SOFT TONNEAU COVER BY ADVANTAGE (dealer-installed) (5JY)
  • LPO, HARD-FOLDING TONNEAU COVER, BY REV (dealer-installed) (VOZ)
  • LPO, FRONT AND REAR MOLDED SPLASH GUARDS, BLACK (dealer-installed) (VQK)
  • WINTER GRILLE COVER (BHP)
  • LED CARGO AREA LIGHTING located in cargo bed activated with switch on center switch bank or key fob (UF2)
  • LPO, GMC MULTIPRO TAILGATE STEP LIGHTS (dealer-installed) (63G)
  • LAMPS, SMOKED AMBER ROOF MARKER, (LED) (U01)
  • MIRRORS, OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING with heated upper glass, lower convex mirrors, integrated turn signals, manual folding/extending (extends 3.31″ [84.25mm]), Black (DBG)
  • MIRRORS, OUTSIDE HEATED POWER-ADJUSTABLE, MANUAL FOLDING (Passenger mirror includes flat glass, not convex) smaller non-trailer mirror, 11.2″ (284.73mm) x 7.15″ (181.69mm) (DLN)
  • MIRRORS, OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING (DWI)
  • GLASS, DEEP-TINTED (AKO)
  • LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING (VK3)
  • TAILGATE, GMC MULTIPRO TAILGATE with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner’s manual for details (QK2)
  • TAILGATE, GATE FUNCTION MANUAL WITH EZ LIFT includes power lock and release, includes hitch area light (QT5)
  • SIRIUSXM TRIAL SUBSCRIPTION (U2K)
  • SEAT ADJUSTER, DRIVER 10-WAY POWER INCLUDING LUMBAR (A2X)
  • FLOOR COVERING, COLOR-KEYED CARPETING (B30)
  • FLOOR MATS, RUBBERIZED-VINYL FRONT (B32)
  • FLOOR MATS, RUBBERIZED-VINYL REAR (B33)
  • LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS (dealer-installed) (RIA)
  • UNIVERSAL VEHICLE MODULE Includes module, customer interface harness and instructions. Provides vehicle data over an open CAN network (J1939). 10 switchable inputs/outputs and Custom Configuration Tool to integrate upfit equipment controls. Software features that support Auto Vehicle Start, Shutdown Inhibit, Fast Idle and Snow Plow (KGU)
  • UPFITTER SWITCH KIT, (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com. (9L7)
  • ADAPTIVE CRUISE CONTROL (KSG)
  • POWER OUTLET, INSTRUMENT PANEL, 120-VOLT (400 watts shared with (KC9) bed mounted power outlet) (KI4)
  • USB PORTS, (2) CHARGE-ONLY, REAR (UBI)
  • POWER OUTLET, BED MOUNTED, 120-VOLT (400 watts shared with (KI4) instrument panel mounted power outlet) (KC9)
  • DEFOGGER, REAR-WINDOW ELECTRIC (C49)
  • MIRROR, INSIDE REARVIEW AUTO-DIMMING (DD8)
  • MIRROR, INSIDE REARVIEW AUTO DIMMING WITH PARTIAL VIDEO DISPLAY includes bed view camera view of cargo bed (DRC)
  • LPO, REAR UNDERSEAT STORAGE (VBJ)
  • MOBILE SERVICE PLUS. MobileService+ is a suite of service conveniences for 3 years – Mobile Service, Pick-up & Delivery with loaner, Loaner with Drop off and One Touch Support. MobileService+ van will come to your home to perform select services or pick up your vehicle and return it once the service is completed at the dealership. Cost of part and labor are not included (R9V)
  • DELETED MOBILE SERVICE PLUS. Delete MobileService+ service conveniences – Mobile Service, Pick-up & Delivery with loaner, Loaner with Drop Off and One Touch Support. By selecting R9W, you acknowledge that you are forgoing the margin and the ability to receive MobileService+ allowances (R9W)
  • FRONT AND REAR PARK ASSIST, ULTRASONIC (UD5)
  • BED VIEW CAMERA, CAMERA IN THE CHMSL TO SHOW A VIEW OF THE CARGO BED display located in rearview mirror (Includes (DRC) Inside Rearview mirror with partial video display. (UVO)
  • REAR CROSS TRAFFIC ALERT (UFG)
  • LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT (UKC)
  • DELETED ONSTAR (R9L)
  • ONSTAR SECURITY – 12 MONTHS OF SERVICE Includes up to 12 months of OnStar Security service. Confidence on the road is the only way to go, and we have you covered for all of life’s unpredictable moments. Whether you need roadside assistance, help in a crisis or your car has been stolen, OnStar Emergency Advisors are available 24/7 to help. We’re here for you, whenever you need it. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. See onstar.com for details and limitations. Roadside services provided by Allstate Roadside Service for vehicles only. Limitations and restrictions apply. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. The OnStar Security service is included in the price of the vehicle. Total service duration is 12 months. Non-Transferrable. Non-Refundable. (P0U)
  • ONSTAR SECURITY – 24 MONTHS OF SERVICE Includes up to 24 months of OnStar Security service. Confidence on the road is the only way to go, and we have you covered for all of life’s unpredictable moments. Whether you need roadside assistance, help in a crisis or your car has been stolen, OnStar Emergency Advisors are available 24/7 to help. We’re here for you, whenever you need it. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. See onstar.com for details and limitations. Roadside services provided by Allstate Roadside Service for vehicles only. Limitations and restrictions apply. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. The OnStar Security service is included in the price of the vehicle. Total service duration is 24 months. Non-Transferrable. Non-Refundable. (P0J)
  • ONSTAR SECURITY – 36 MONTHS OF SERVICE Includes up to 36 months of OnStar Security service. Confidence on the road is the only way to go, and we have you covered for all of life’s unpredictable moments. Whether you need roadside assistance, help in a crisis or your car has been stolen, OnStar Emergency Advisors are available 24/7 to help. We’re here for you, whenever you need it. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. See onstar.com for details and limitations. Roadside services provided by Allstate Roadside Service for vehicles only. Limitations and restrictions apply. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. The OnStar Security service is included in the price of the vehicle. Total service duration is 36 months. Non-Transferrable. Non-Refundable. (P0K)
  • ONSTAR SECURITY – 48 MONTHS OF SERVICE Includes up to 48 months of OnStar Security service. Confidence on the road is the only way to go, and we have you covered for all of life’s unpredictable moments. Whether you need roadside assistance, help in a crisis or your car has been stolen, OnStar Emergency Advisors are available 24/7 to help. We’re here for you, whenever you need it. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. See onstar.com for details and limitations. Roadside services provided by Allstate Roadside Service for vehicles only. Limitations and restrictions apply. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. The OnStar Security service is included in the price of the vehicle. Total service duration is 48 months. Non-Transferrable. Non-Refundable. (P0L)
  • ONSTAR SECURITY – 60 MONTHS OF SERVICE Includes up to 60 months of OnStar Security service. Confidence on the road is the only way to go, and we have you covered for all of life’s unpredictable moments. Whether you need roadside assistance, help in a crisis or your car has been stolen, OnStar Emergency Advisors are available 24/7 to help. We’re here for you, whenever you need it. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. See onstar.com for details and limitations. Roadside services provided by Allstate Roadside Service for vehicles only. Limitations and restrictions apply. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. The OnStar Security service is included in the price of the vehicle. Total service duration is 60 months. Non-Transferrable. Non-Refundable. (P0Q)
  • ONSTAR INSIGHTS – 12 MONTHS OF SERVICE Includes up to 12 months of OnStar Insights service. OnStar Insights provides fleet managers and drivers the tools and data they need to help maximize fleet productivity and help maximize fleet’s operational efficiencies. OnStar Insights relays real-time vehicle data like vehicle location, driver performance information and more. Eligible customers must sign up for an account at www.onstarvehicleinsights.com in order to take advantage of this 12 months offer. Requires an active connected vehicle services plan. The OnStar Insights service is included in the price of the vehicle. Total service duration is 12 months. Non-Transferrable. Non-Refundable. (P0V)
  • ONSTAR INSIGHTS – 24 MONTHS OF SERVICE Includes up to 24 months of OnStar Insights service. OnStar Insights provides fleet managers and drivers the tools and data they need to help maximize fleet productivity and help maximize fleet’s operational efficiencies. OnStar Insights relays real-time vehicle data like vehicle location, driver performance information and more. Eligible customers must sign up for an account at www.onstarvehicleinsights.com in order to take advantage of this 24 months offer. Requires an active connected vehicle services plan. The OnStar Insights service is included in the price of the vehicle. Total service duration is 24 months. Non-Transferrable. Non-Refundable. (P0W)
  • ONSTAR INSIGHTS – 36 MONTHS OF SERVICE Includes up to 36 months of OnStar Insights service. OnStar Insights provides fleet managers and drivers the tools and data they need to help maximize fleet productivity and help maximize fleet’s operational efficiencies. OnStar Insights relays real-time vehicle data like vehicle location, driver performance information and more. Eligible customers must sign up for an account at www.onstarvehicleinsights.com in order to take advantage of this 36 months offer. Requires an active connected vehicle services plan. The OnStar Insights service is included in the price of the vehicle. Total service duration is 36 months. Non-Transferrable. Non-Refundable. (P0X)
  • ONSTAR INSIGHTS – 48 MONTHS OF SERVICE Includes up to 48 months of OnStar Insights service. OnStar Insights provides fleet managers and drivers the tools and data they need to help maximize fleet productivity and help maximize fleet’s operational efficiencies. OnStar Insights relays real-time vehicle data like vehicle location, driver performance information and more. Eligible customers must sign up for an account at www.onstarvehicleinsights.com in order to take advantage of this 48 months offer. Requires an active connected vehicle services plan. The OnStar Insights service is included in the price of the vehicle. Total service duration is 48 months. Non-Transferrable. Non-Refundable. (P0Y)
  • ONSTAR INSIGHTS – 60 MONTHS OF SERVICE Includes up to 60 months of OnStar Insights service. OnStar Insights provides fleet managers and drivers the tools and data they need to help maximize fleet productivity and help maximize fleet’s operational efficiencies. OnStar Insights relays real-time vehicle data like vehicle location, driver performance information and more. Eligible customers must sign up for an account at www.onstarvehicleinsights.com in order to take advantage of this 60 months offer. Requires an active connected vehicle services plan. The OnStar Insights service is included in the price of the vehicle. Total service duration is 60 months. Non-Transferrable. Non-Refundable. (P0Z)
  • ONSTAR ONE BUSINESS PLUS – 12 MONTHS OF SERVICE OnStar One Business Plus (bundle and save) includes up to 12 months of OnStar Security and OnStar Insights services. Everything you need to feel more confident, connected, and productive on the road. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations. The OnStar One Business Plus service is included in the price of the vehicle. Total service duration is 12 months. Non-Transferrable. Non-Refundable. (R8G)
  • ONSTAR ONE BUSINESS PLUS – 24 MONTHS OF SERVICE OnStar One Business Plus (bundle and save) includes up to 24 months of OnStar Security and OnStar Insights services. Everything you need to feel more confident, connected, and productive on the road. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations. The OnStar One Business Plus service is included in the price of the vehicle. Total service duration is 24 months. Non-Transferrable. Non-Refundable. (RFH)
  • ONSTAR ONE BUSINESS PLUS – 36 MONTHS OF SERVICE OnStar One Business Plus (bundle and save) includes up to 36 months of OnStar Security and OnStar Insights services. Everything you need to feel more confident, connected, and productive on the road. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations. The OnStar One Business Plus service is included in the price of the vehicle. Total service duration is 36 months. Non-Transferrable. Non-Refundable. (R8P)
  • ONSTAR ONE BUSINESS PLUS – 48 MONTHS OF SERVICE OnStar One Business Plus (bundle and save) includes up to 48 months of OnStar Security and OnStar Insights services. Everything you need to feel more confident, connected, and productive on the road. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations. The OnStar One Business Plus service is included in the price of the vehicle. Total service duration is 48 months. Non-Transferrable. Non-Refundable. (R8Z)
  • ONSTAR ONE BUSINESS PLUS – 60 MONTHS OF SERVICE OnStar One Business Plus (bundle and save) includes up to 60 months of OnStar Security and OnStar Insights services. Everything you need to feel more confident, connected, and productive on the road. OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations. The OnStar One Business Plus service is included in the price of the vehicle. Total service duration is 60 months. Non-Transferrable. Non-Refundable. (R8W)
  • 3 YEARS SIRIUSXM (R6P)
  • SIRIUSXM, ADDITIONAL 9 MONTHS OF THE SXM PLATINUM PLAN. Listen inside and outside the car on the app in addition to the trial period included with the vehicle. (PR6)
  • SIRIUSXM, ADDITIONAL 21 MONTHS OF THE SXM PLATINUM PLAN. Listen inside and outside the car on the app in addition to the trial period included with the vehicle. (PR7)
  • SIRIUSXM, ADDITIONAL 33 MONTHS OF THE SXM PLATINUM PLAN. Listen inside and outside the car on the app in addition to the trial period included with the vehicle. (PR8)
  • GOVERNOR, ELECTRONIC SPEED SENSOR SET TO 65 MPH Provides electronic software to limit maximum road speed to 65-MPH. Cruise control limited to 60 MPH. (9C2)
  • GOVERNOR, ELECTRONIC SPEED SENSOR SET TO 70 MPH (9B9)
  • GOVERNOR, ELECTRONIC SPEED SENSOR SET TO 75 MPH Provides electronic software to limit maximum road speed to 75-MPH. Cruise control limited to 70 MPH. (9D7)
  • SPEEDOMETER CALIBRATION, PROVISIONS Provides an owners manual supplement listing of speedometer calibrations to be programmed into the powertrain control module (PCM), after sale, to accommodate tire size changes utilized by railroad equipment. See Upfitter Integration website www.gmupfitter.com Technical Bulletins section for calibration listing and instructions. (5M7)
  • SPECIAL EXTERIOR COLOR All normally body colored non-sheet metal parts will be black including front fender extensions, cab spoiler on Double & Crew cabs and SLE trim door handles. Diesel hood scoop trim will chrome. May require extended lead time. (01U)
  • PAINTS, SOLID, WOODLAND GREEN All normally body colored non-sheet metal parts will be black including front fender extensions, cab spoiler on Double & Crew cabs and SLE trim door handles. Diesel hood scoop trim will chrome. May require extended lead time. (9V5)
  • PAINTS, SOLID, WHEATLAND YELLOW All normally body colored non-sheet metal parts will be black including front fender extensions, cab spoiler on Double & Crew cabs and SLE trim door handles. Diesel hood scoop trim will chrome. May require extended lead time. (9W3)
  • PAINTS, SOLID, TANGIER ORANGE All normally body colored non-sheet metal parts will be black including front fender extensions, cab spoiler on Double & Crew cabs and SLE trim door handles. Diesel hood scoop trim will chrome. May require extended lead time. (9W4)
  • SPECIAL PAINT (TGK)
  • DECAL AND NAME PLATE DELETE, TAILGATE Retains GMC emblems. (9M4)
  • DECAL DELETE, PICKUP BED (9R1)
  • ORNAMENTATION, DELETE Retains GMC logo. (8F2)
  • SEATS, DRIVER AND PASSENGER FRONT INDIVIDUAL SEATS Driver and passenger front individual seats derived from a 40-20-40 split bench seat with the 20% section removed. Also removes the USB port and auxiliary power outlet when (AZ3) bench seat is ordered. Does not include a floor console. All exposed floor area will remain untrimmed. (5Y1)
  • THEFT DETERRENT SYSTEM FLEET IMMOBILIZER MODIFICATIONS In the absence of master key, reduces roadside key relearn process to (3) two-minute cycles in place of the standard (3) ten-minute cycles. This option will also allow for only one learned key to be needed when adding additional keys instead of 2 learned keys. (5L5)
  • BACK-UP ALARM CALIBRATION This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lighting (SFW)
  • BACK-UP ALARM, 97 DECIBELS (8S3)
  • SHIP THRU, PRODUCED AND SHIPPED TO ANCHORAGE VDC THEN TO TK SERVICES AND RETURNED TO ANCHORAGE VDC FOR SHIPPING TO FINAL DESTINATION (TVY)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO AUTO TRUCK GROUP, ROANOKE, IN AND RETURNED TO FT. WAYNE ASSEMBLY FOR SHIPPING TO FINAL DESTINATION (VUI)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO CANFIELD EQUIPMENT IN WARREN, MI. RETURNED TO LANSING DELTA FOR SHIPPING TO FINAL DESTINATION. (VEW)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO KNAPHEIDE TRUCK EQUIPMENT IN FLINT, MI. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION. (VUD)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO MONROE TRUCK EQUIPMENT IN FLINT. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION. (VCB)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO NBC TRUCK EQUIPMENT ROSEVILLE, MI. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION. (VFW)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO READING EQUIPMENT AND DISTRIBUTION PONTIAC, MI. RETURNED TO LANSING DELTA FOR SHIPPING TO FINAL DESTINATION. (VHR)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO KERR INDUSTRIES, WARREN, MI. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION (TCL)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO MONROE TRUCK EQUIPMENT, MI, THEN TO TK SERVICES, AK FOR SHIPPING TO FINAL DESTINATION (TDE)
  • SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO ALT. FUEL INNOVATIONS LLC, KANSAS CITY, MO. RETURNED TO FAIRFAX ASSEMBLY FOR SHIPPING TO FINAL DESTINATION (TZS)
  • SHIP THRU, FOR ORDERS WITH (CGN) SPRAY-ON BEDLINER, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO GFX FOR (CGN) SPRAY-ON BEDLINER THEN TO ADRIAN STEEL, TOLEDO, OH. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION. (SQE)
2025 GMC Sierra 2500HD Consumer Information
  • Incentive Note – One of the following incentives may apply to this vehicle. Regional incentives may vary.
  • Cash Finance Rule – Or
  • Financing Incentive Min – 6.40
  • Expiration Date – 09/30/2024
  • Resource Name – GM
  • Resource Date – 09/04/2024
  • Warranty Note – <<< Preliminary 2025 Warranty >>>
  • Basic Years – 3
  • Basic Miles/km – 36,000
  • Drivetrain Years – 5
  • Drivetrain Miles/km – 60,000
  • Drivetrain Note – 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
  • Corrosion Years – 3
  • Corrosion Years – 6 (Rust-Through)
  • Corrosion Miles/km – 100,000 (Rust-Through)
  • Corrosion Miles/km – 36,000
  • Roadside Assistance Years – 5
  • Roadside Assistance Miles/km – 60,000
  • Roadside Assistance Note – 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
  • Maintenance Note – First Visit: 12 Months/12,000 Miles
2025 GMC Sierra 2500HD Technical Specifications
  • Vehicle Name – GMC Sierra 2500HD
  • Body Style – Crew Cab Chassis Cab (ZW9), Crew Cab Pickup
  • Body Code – ZW9 (ZW9), E63
  • Drivetrain – Rear Wheel Drive
  • Trans Order Code – MGM (MGM), MGU (MGU), MKM
  • Trans Type – 10
  • Trans Description Cont. – Automatic
  • Trans Description Cont. Again –
  • First Gear Ratio (:1) – 4.54 (MGM,MGU), – TBD –
  • Second Gear Ratio (:1) – 2.87 (MGM,MGU), – TBD –
  • Third Gear Ratio (:1) – 2.06 (MGM,MGU), – TBD –
  • Fourth Gear Ratio (:1) – 1.72 (MGM,MGU), – TBD –
  • Fifth Gear Ratio (:1) – 1.48 (MGM,MGU), – TBD –
  • Sixth Gear Ratio (:1) – 1.26 (MGM,MGU), – TBD –
  • Seventh Gear Ratio (:1) – 1.00 (MGM,MGU), – TBD –
  • Eighth Gear Ratio (:1) – 0.85 (MGM,MGU), – TBD –
  • Ninth Gear Ratio (:1) – 0.69 (MGM,MGU), – TBD –
  • Tenth Gear Ratio (:1) – 0.63 (MGM,MGU), – TBD –
  • Reverse Ratio (:1) – 4.54 (MGM,MGU), – TBD –
  • Clutch Size – N/A in
  • Trans Power Take Off – Yes (PTO)
  • Trans PTO Access – – TBD – (PTO)
  • Transfer Case Model –
  • Transfer Case Gear Ratio (:1), High –
  • Transfer Case Gear Ratio (:1), Low –
  • Transfer Case Power Take Off – – TBD – (PTO)
  • Passenger Capacity – 5 (A50), 6
  • Front Head Room – 43.03 in
  • Front Leg Room – 44.53 in
  • Front Shoulder Room – 66.02 in
  • Front Hip Room – 61.18 in
  • Second Head Room – 40.12 in
  • Second Leg Room – 43.4 in
  • Second Shoulder Room – 65.3 in
  • Second Hip Room – 60.24 in
  • Gross Axle Wt Rating – Front – – TBD – lbs
  • Gross Axle Wt Rating – Rear – – TBD – lbs
  • Curb Weight – Front – 3703 lbs
  • Curb Weight – Rear – 2810 lbs
  • Gross Vehicle Weight Rating Cap – 10000 lbs (C7A), 11500 lbs (G1Y), 11050 lbs (JGJ), 10800 lbs (JFL), 10150 lbs
  • Gross Combined Wt Rating – 30000 lbs (NHT-R,NHT-F), 26000 lbs (L5P), 24500 lbs, 27500 lbs (L5P&(PYT,PXD,RCS,RBJ,Q7J,Q7N,Q7F,Q7H,Q7Q)), 26000 lbs (PYT,PXD,RCS,RBJ,Q7J,Q7N,Q7F,Q7H,Q7Q)
  • Fuel Economy Est-Combined –
  • EPA Fuel Economy Est – City –
  • EPA Fuel Economy Est – Hwy –
  • Tons/yr of CO2 Emissions @ 15K mi/year –
  • Dead Weight Hitch – Max Trailer Wt. – 5000 lbs
  • Dead Weight Hitch – Max Tongue Wt. – 500 lbs
  • Wt Distributing Hitch – Max Trailer Wt. – 20000 lbs (NHT-R,NHT-F), 18500 lbs (L5P), 16000 lbs
  • Wt Distributing Hitch – Max Tongue Wt. – 2000 lbs (NHT-R,NHT-F), 1850 lbs (L5P), 1600 lbs
  • Fifth Wheel Hitch – Max Trailer Wt. – 21510 lbs (NHT-R,NHT-F), 19200 lbs (L5P), 18500 lbs
  • Fifth Wheel Hitch – Max Tongue Wt. – 5377 lbs (NHT-R,NHT-F), 4800 lbs (L5P), 4625 lbs
  • Maximum Trailering Capacity – 20000 lbs
  • Engine Order Code – L5P (L5P), L8T
  • Engine Type – Turbocharged Diesel V8 (L5P), Gas V8
  • Displacement – 6.6L/- TBD – (L5P), 6.6L/- TBD –
  • Fuel System – Direct Injection
  • SAE Net Horsepower @ RPM – 470 @ 2800 (L5P), 401 @ 5200
  • SAE Net Torque @ RPM – 975 @ 1600 (L5P), 464 @ 4000
  • Engine Oil Cooler – – TBD –
  • Cold Cranking Amps @ 0° F (Primary) – 730 (-BATT2), 720
  • Cold Cranking Amps @ 0° F (2nd) – 700 (K4Z)
  • Maximum Alternator Capacity (amps) – 220 & 170 (KHF), 220 (KW5), 170
  • Maximum Alternator Watts – N/A
  • Total Cooling System Capacity – – TBD – qts
  • Frame Type – – TBD –
  • Suspension Type – Front – Short/Long Arm
  • Suspension Type – Rear – Multi-Leaf Springs
  • Spring Capacity – Front – – TBD – lbs
  • Spring Capacity – Rear – – TBD – lbs
  • Axle Type – Front – – TBD –
  • Axle Type – Rear – – TBD –
  • Axle Capacity – Front – – TBD – lbs
  • Axle Capacity – Rear – – TBD – lbs
  • Axle Ratio (:1) – Front –
  • Axle Ratio (:1) – Rear – 3.42 (GU6), 3.73
  • Shock Absorber Diameter – Front – 2.01 mm
  • Shock Absorber Diameter – Rear – 2.01 mm
  • Stabilizer Bar Diameter – Front – 1.38 in
  • Stabilizer Bar Diameter – Rear –
  • Front Tire Order Code – QF9 (QF9), QF6 (QF6-R,QF6-F), QXT (QXT), QHQ
  • Rear Tire Order Code – QF9 (QF9), QF6 (QF6-R,QF6-F), QXT (QXT), QHQ
  • Spare Tire Order Code – ZYG (ZYG), ZXT (ZXT), ZHQ
  • Front Tire Size – LT275/65R20 (QF9), LT275/70R18E (QF6-R,QF6-F), LT265/70R17E (QXT), LT245/75R17E
  • Rear Tire Size – LT275/65R20 (QF9), LT275/70R18E (QF6-R,QF6-F), LT265/70R17E (QXT), LT245/75R17E
  • Spare Tire Size – LT275/70R18 (ZYG), LT265/70R17E (ZXT), LT245/75R17E
  • Front Tire Capacity – – TBD – lbs
  • Rear Tire Capacity – – TBD – lbs
  • Spare Tire Capacity – – TBD – lbs
  • Revolutions/Mile @ 45 mph – Front – N/A Rev/Mile
  • Revolutions/Mile @ 45 mph – Rear – N/A Rev/Mile
  • Revolutions/Mile @ 45 mph – Spare – N/A Rev/Mile
  • Front Wheel Size – 20 x – TBD – in (Q7J), 18 x – TBD – in (PXD,PYT), 17 x – TBD – in
  • Rear Wheel Size – 20 x – TBD – in (Q7J), 18 x – TBD – in (PXD,PYT), 17 x – TBD – in
  • Spare Wheel Size – 18 x – TBD – in (ZYG)
  • Front Wheel Material – Aluminum (PYQ), Steel
  • Rear Wheel Material – Aluminum (PYQ), Steel
  • Spare Wheel Material – Steel
  • Steering Type – Pwr Recirculating Ball
  • Steering Ratio (:1), On Center – – TBD –
  • Steering Ratio (:1), At Lock – – TBD –
  • Turning Diameter – Curb to Curb – 52.7 ft
  • Turning Diameter – Wall to Wall – N/A ft
  • Brake Type – Pwr
  • Brake ABS System – 4-Wheel
  • Brake ABS System (Second Line) –
  • Disc – Front (Yes or ) – Yes
  • Disc – Rear (Yes or ) – Yes
  • Front Brake Rotor Diam x Thickness – 14 x 1.6 in
  • Rear Brake Rotor Diam x Thickness – 14.1 x 1.3 in
  • Drum – Rear (Yes or ) –
  • Rear Drum Diam x Width –
  • Fuel Tank Capacity, Approx – 36 gal
  • Aux Fuel Tank Capacity, Approx –
  • Fuel Tank Location – – TBD –
  • Aux Fuel Tank Location –
  • Wheelbase – 159 in
  • Length, Overall – 250.75 in
  • Width, Max w/o mirrors – 81.85 in
  • Height, Overall – 79.82 in
  • Overhang, Front – – TBD – in
  • Overhang, Rear w/o bumper – – TBD – in
  • Front Bumper to Back of Cab – – TBD – in
  • Cab to Axle – 42.17 in
  • Cab to End of Frame – – TBD – in
  • Ground to Top of Load Floor – – TBD – in
  • Ground to Top of Frame – – TBD – in
  • Frame Width, Rear – – TBD – in
  • Ground Clearance, Front – 10.12 in
  • Ground Clearance, Rear – 10.12 in
  • Cargo Box Length @ Floor – 82.2 in
  • Cargo Box Width @ Top, Rear – – TBD – in
  • Cargo Box Width @ Floor – 71.4 in
  • Cargo Box Width @ Wheelhousings – 51.85 in
  • Cargo Box (Area) Height – 21 in
  • Tailgate Width – – TBD – in
  • Cargo Volume – 69.5 ft³
  • Ext’d Cab Cargo Volume – – TBD – ft³