New 2026 GMC Sierra 2500 Double Cab Service Truck
Stock #C26166
Vehicle Notes
2026 GMC Sierra 2500HD Pro Summit White 6.6L V810-Speed Automatic, Black Cloth.This vehicle has the following features:Convenience Package (Deep-Tinte…
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Chassis Details
Stock Number
C26166
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
2
GVWR
10,000
Drivetrain
RWD
Cab Type
Double
Vehicle Trim
Pro
Interior Color
Jet Black, Cloth seat trim
Seating Capacity
6
Exterior Color Description
Summit White
Engine Cylinder Count
8
Engine
6.6L V8 Gas engine
Transmission Type
Automatic
Fuel Type
Gasoline
Engine Model
L8T
Engine Size (L)
6.6
Horsepower
401
Vehicle Options
- Cruise control, steering wheel-mounted
- Air conditioning, single-zone
- Moldings, beltline, Black
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Brake lining wear indicator
- Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
- Bluetooth for phone connectivity to vehicle infotainment system
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
- Seat adjuster, driver 4-way manual
- Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Daytime Running Lamps, LED signature lighting
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- Transmission, 10-Speed automatic (STD)
- Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- 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 Belt Indicator (Requires Crew Cab or Double Cab model.)
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- Compass, located in instrument cluster
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
- Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
- LED Signature DRL's
- Air filtration monitoring
- Seat trim, Vinyl
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Cooling, auxiliary external transmission oil cooler
- Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Trailer brake controller, integrated
- 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.)
- Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
- Cooling, external engine oil cooler
- Suspension Package
- Recovery hooks, front, frame-mounted, Black
- 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.)
- 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.)
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
- Grille (Chrome with flat black grille insert bars.)
- Wireless phone projection for Apple CarPlay and Android Auto
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
- Windows, power rear, express down (Not available on Regular Cab models.)
- HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
- Air vents, rear (Not available with Regular Cab model.)
- Exterior Temperature Display, located in radio display
- Driver Information Center, 3.5" diagonal monochromatic display
- CornerStep, rear bumper
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
- Door locks, power
- USB Ports, 2, Charge/Data ports located on instrument panel
- 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
- Door handles, Black grained
- Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular 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.)
- Window, power front, passenger express down
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Steering column, Tilt-Wheel, manual with wheel locking security feature
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Steering, Recirculating Ball with smart flow power steering system
- 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)
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
- Power outlet, front auxiliary, 12-volt
- Seat adjuster, passenger 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.)
- Bumper, front chrome lower
- Remote Keyless Entry
- Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
- Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Steering wheel, urethane
- Air filter, heavy-duty
- Windows, power front, drivers express up/down
- 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)
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Wheels, 17" (43.2 cm) machined aluminum
- Bumper, rear, delete
- Pro Preferred Equipment Group
- Convenience Package
- Back-up alarm calibration
- Tires, LT265/70R17E all-terrain, blackwall
- Pickup bed, delete
- Rear Camera Kit
- Jet Black, Cloth seat trim
- Emissions override, Federal
- Power outlet, instrument panel, 120-volt
- Upfitter switch kit, (5)
- Mirror, inside rearview auto-dimming
- Mirrors, outside power-adjustable vertical trailering
- 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
- Emissions, California state requirements
- Tire, spare LT265/70R17E all-terrain, blackwall
- Capped Fuel Fill
- Defogger, rear-window electric
- Glass, deep-tinted
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
Service Truck
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