2026 GMC Sierra 2500HD Pro Reg Cab Long Bed 6.6L Gas V8 4x4

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist

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.)

Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)

Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)

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.)

MECHANICAL (21)

• 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)
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 10,250 lbs. (4649 kg) (Included and only available with TK20903 model and (L8T) 6.6L V8 gas engine with 17" wheels.)
• Push Button Start
• Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
• Auto-locking rear differential
• Four 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 (Not available with (X31) Off-Road 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.)

EXTERIOR (16)

• 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.)
• 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
• 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.)

ENTERTAINMENT (1)

• Audio system feature, 2-speakers (Requires Regular Cab model.)

INTERIOR (12)

• Seat adjuster, driver 4-way manual
• Seat adjuster, passenger 4-way manual
• 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
• Exterior Temperature Display, located in radio display
• Compass, located in instrument cluster
• Power outlet, front auxiliary, 12-volt
• Air conditioning, single-zone
• Mirror, inside rearview, manual tilt
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted