2018 GMC Sierra 2500HD 4WD Crew Cab 167.7"

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

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

Pickup box

GVWR, 9900 lbs. (4490 kg) (Requires Crew Cab TK25943 model and (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine or Regular Cab model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Not available on 2WD Crew Cab models.)

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

Frame, fully-boxed, hydroformed front section

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

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

Bumper, rear chrome with bumper CornerSteps (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 manual, Black

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.)

6-speaker audio system

Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Requires Crew Cab models.)

Steering column, manual Tilt-Wheel

Steering wheel, base

Floor covering, Graphite-colored rubberized-vinyl

Instrumentation, 6-gauge 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

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 Crew Cab: 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 (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 safety 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. Regular Cab model does not have rear outboard seating positions.)

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 mode a 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 gives you information on your teen's driving habits and helps you to continue to coach your new driver