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New 2026 GMC Sierra 2500 Pro Double Cab

Stock #GBBC55

Window Sticker

Chassis Details

Stock Number

GBBC55

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 2500

Class

GVWR

10,000

Drivetrain

4WD

Cab Type

Double

Vehicle Trim

Pro

Vehicle VIN

1GT2ULE77TF317800

Interior Color

Jet Black, Cloth seat trim

Seating Capacity

Exterior Color Description

Summit White

Engine Cylinder Count

Engine

6.6L V8 Gas engine

Transmission Type

Automatic

Fuel Type

Gasoline

Engine Model

L8T

Engine Size (L)

6.6

Horsepower

401

Brake Type

Hydraulic

Vehicle Options

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.)
Window, power front, passenger express down
Air filter, heavy-duty
Wireless phone projection for Apple CarPlay and Android Auto
Bumper, front chrome lower
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
Tire, spare LT245/75R17E all-season, blackwall (STD) (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.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Seat trim, Vinyl
Driver Information Center, 3.5" diagonal monochromatic display
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.)
Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.) (STD)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
Transmission, 10-Speed automatic (STD)
Moldings, beltline, Black
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
LED Signature DRL's
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Bumper, rear chrome with bumper CornerSteps
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
Windows, power rear, express down (Not available on Regular Cab models.)
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
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Cooling, external engine oil cooler
Cruise control, steering wheel-mounted
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
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. (Requires (UE1) OnStar. OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. 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.)
Daytime Running Lamps, LED signature lighting
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
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.)
Door handles, Black grained
Brake lining wear indicator
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
Power outlet, front auxiliary, 12-volt
Door locks, power
Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
Push Button Start
Auto-locking rear differential
Windows, power front, drivers express up/down
Bluetooth for phone connectivity to vehicle infotainment system
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Compass, located in instrument cluster
Steering wheel, urethane
Suspension Package (Not available with (X31) Off-Road Package.)
HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
Steering, Recirculating Ball with smart flow power steering system
Cooling, auxiliary external transmission oil cooler
Air filtration monitoring
USB Ports, 2, Charge/Data ports located on instrument panel
Recovery hooks, front, frame-mounted, Black
Air vents, rear (Not available with Regular Cab model.)
Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Wheels, 17" (43.2 cm) painted steel, Silver (STD)
Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Grille (Chrome with flat black grille insert bars.)
CornerStep, rear bumper
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
Exterior Temperature Display, located in radio display
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) (STD)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
Four wheel drive
Steering column, Tilt-Wheel, manual with wheel locking security feature
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included 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 (STD)
Trailer brake controller, integrated
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
Seat adjuster, driver 4-way manual
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.)
Seat adjuster, passenger 4-way manual
Tires, LT245/75R17E all-season, blackwall (STD)
Remote Keyless Entry
Air conditioning, single-zone
Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Tailgate, gate function manual with EZ Lift
Lane Change Alert with Side Blind Zone Alert
Pro Preferred Equipment Group
Convenience Package
Rear Cross Traffic Alert
Power outlet, bed mounted, 120-volt
Jet Black, Cloth seat trim
LED Cargo Area Lighting
Power outlet, instrument panel, 120-volt
Mirror, inside rearview auto-dimming
1SA Pro Safety Plus Package
Lowered GVWR, 10,000 lbs. (4536 kg), lowers GVWR and significantly decreases towing and/or payload ratings
Summit White
License plate kit, front, Incandescent lighting
Front and Rear Park Assist, ultrasonic
Emissions, Federal requirements
Defogger, rear-window electric
Glass, deep-tinted
Mirrors, outside power-adjustable vertical trailering
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