Engine, Vortec 6.0L Variable Valve Timing V8 SFI, E85-compatible, FlexFuel capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [515.0 N-m] @ 4200 rpm (Does not include E85 capability with (ZW9) pickup box delete.)

Rear axle, 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine.)

Pickup box

GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine. Not available with TK25943 model.)

Air cleaner, high-capacity

Transfer case, with floor-mounted shifter (included with 4WD models only.)

Differential, heavy-duty locking rear

Four wheel drive

Cooling, external engine oil cooler

Cooling, auxiliary external transmission oil cooler

Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power

Alternator, 150 amps

Trailer brake controller, integrated (Standard on Double Cab models. Standard on Regular Cab models with a pickup box. Included with (PEF) Sierra Convenience Plus Package on Crew Cab models. With (E63) pickup box, requires available (Z82) trailering equipment. Available to order as a free flow option on Crew Cab or Regular Cab models with (ZW9) pickup box delete or (9J4) rear bumper delete.)

Frame, fully-boxed, hydroformed front section

Suspension Package, Handling/Trailering, heavy-duty includes 51mm twin tube shock absorbers and 33mm front stabilizer bar

Cargo tie downs (4), movable upper (Requires (E63) pickup box.) (Not available with (ZW9) pickup box delete.)

Steering, Recirculating Ball with smart flow power steering system

Brakes, 4-wheel antilock, 4-wheel disc with DuraLife brake rotors

Exhaust, aluminized stainless-steel muffler and tailpipe

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)

Bumper, front chrome

Bumper, rear chrome with bumper CornerSteps (Requires (E63) pickup box.)

CornerStep, rear bumper (Requires (E63) pickup box.)

4X4 chrome badge (Included and only available with 4X4 models.)

Grille surround, chrome

Headlamps, high intensity discharge (HID) projector-beam with GMC signature LED lighting

Lamps, cargo area, cab mounted with switch on center switch bank

Mirrors, outside high-visibility vertical trailering-style, Black with manual folding and extension and lower convex spotter glass (Standard on Double Cab and Regular Cab models. Not available with (PDD) Sierra Convenience Package.) (Standard on Double Cab and Regular Cab models.)

Glass, solar absorbing, tinted

Door handles, Black

Capless Fuel Fill (Requires gas engine and (E63) pickup box.)

Tailgate and bed rail protection caps, top

Tailgate, locking, utilizes same key as ignition and door (Not available with (AQQ) Remote Keyless Entry.)

Tailgate, EZ-Lift and Lower (Requires Double Cab model. Deleted with (ZW9) pickup box delete.)

6-speaker audio system

Steering column, manual Tilt-Wheel

Steering wheel, base

Floor covering, Graphite-colored rubberized-vinyl

Instrumentation, 6-gage cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure

Driver Information Center, 3.5-inch diagonal monochromatic display provides warning messages and basic vehicle information

Windows, power with driver express up and down and express down on all other windows (Standard on Crew Cab and Double Cab.)

Cruise control, steering wheel-mounted

Air conditioning, single-zone

Assist handle, front passenger and driver on A-pillars

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

Daytime Running Lamps with automatic exterior lamp control

Airbags Double Cab and Regular Cab: Single-stage frontal airbag for driver; Dual-stage front airbag for 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 (With (ZW9) pickup box delete on Double Cab and Regular Cab you will get the following: Single-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 airbag deactivation switch for front 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.)

Rear Vision Camera (Not included when (ZW9) pickup box delete is ordered.)

Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)

Teen Driver configurable feature that lets you activate customizable vehicle settings associated with a key fob, to encourage safe driving behavior. It can limit certain 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