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New 2026 GMC Sierra 3500 Crew Cab Flatbed Truck

Stock #G26420

Chassis Details

Stock Number

G26420

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 3500

Class

GVWR

14,000

Drivetrain

4WD

Cab-to-Axle

Wheelbase

176.8

Cab Type

Crew

Vehicle Trim

Pro

Interior Color

Jet Black, Vinyl seat trim

Seating Capacity

Exterior Color Description

Summit White

Engine Cylinder Count

Engine

6.6L Duramax Turbo-Diesel V8 engine

Transmission Type

Automatic

Rear Wheels

Dual

Fuel Type

Diesel

Engine Model

L5P

Engine Size (L)

6.6

Horsepower

470

Vehicle Options

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.)
Bumper, rear, delete
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including 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 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.)
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
Remote Keyless Entry
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Seat, rear 60/40 folding bench (folds up), 3-passenger, (includes child seat top tether anchor) (Not available with Regular Cab model.)
Capped Fuel Fill
Wheel trim, painted center caps
GVWR, 14,000 lbs. (6350 kg)
Recovery hooks, front, frame-mounted, Black
Compass, located in instrument cluster
Lamps, Smoked Amber roof marker, (LED)
Window, power front, passenger express down
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Cooling, auxiliary external transmission oil cooler
Lamps, cargo area, cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
Trailer brake controller, integrated
Wheels, 17" (43.2 cm) painted steel (STD)
Grille (Chrome with flat black grille insert bars.)
Cooling, external engine oil cooler
Frame, fully-boxed, hydroformed front section and an open "C" rear section
Suspension Package
Back-up alarm calibration This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lighting
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 wired Android Auto and Apple CarPlay capability for compatible phones (STD)
Moldings, beltline, Black
Air conditioning, single-zone
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.)
Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
Air vents, rear (Not available with Regular Cab model.)
Cruise control, steering wheel-mounted
Daytime Running Lamps, LED signature lighting
Bluetooth for phone, connectivity to vehicle infotainment system
Wireless phone projection for Apple CarPlay and Android Auto
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Steering column, Tilt-Wheel, manual with wheel locking security feature
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
Windows, power front, drivers express up/down
Seat adjuster, driver 4-way manual
Vinyl seat trim
Door handles, Black grained
Door locks, power
Spare tire delete Deletes the spare tire and wheel. (STD)
Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
Tires, LT235/80R17E all-terrain, blackwall (STD)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Body, Chassis Cab
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Seat adjuster, passenger 4-way manual
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Brake lining wear indicator
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Audio system feature, 6-speaker system (Requires Crew Cab model.)
Low Speed Forward Automatic Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Steering, Recirculating Ball with smart flow power steering system
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Bumper, front chrome lower
Windows, power rear, express down (Not available on Regular Cab models.)
USB ports, 2, Charge/Data ports located on instrument panel
Power outlet, front auxiliary, 12-volt
Rear Seat Reminder (Requires Crew Cab model.)
Steering wheel, urethane
Exterior Temperature Display, located in radio display
USB ports, (2) charge-only, rear
Engine block heater
Pro Preferred Equipment Group
Convenience Package
Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
Exhaust brake
Power outlet, instrument panel, 120-volt (400 watts)
Fuel tank, rear only, 40 gallon
Rear Camera Kit
Engine, Duramax 6.6L Turbo-Diesel V8
Winter Grille Cover
Emissions override, Federal
Upfitter switch kit, (5)
Mirror, inside rearview auto-dimming
Mirrors, outside power-adjustable vertical trailering
Snow Plow Prep Package
Summit White
License plate kit, front
Spare tire delete
Jet Black, Vinyl seat trim
Transmission, 10-speed automatic
Skid Plates
Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr, maintenance-free
Alternator, 220 amps
Rear axle, 3.42 ratio
Defogger, rear-window electric
Glass, deep-tinted
GVWR, 14,000 LBS. (6350 KG)
CUSTOMER DIALOGUE NETWORK
BACK-UP ALARM CALIBRATION
View All