Exterior Features

  Reg/Ext and Crew Ext and Crew
Cab
Work
Truck
SLE SLT
Air dam, black Standard Standard Standard
Assist steps, chromed tubular, 6" oval (dealer installed) Available Available Available
Assist steps, chromed tubular, 3" round (dealer installed) Available Available Available
Bumper, front, chrome Standard Standard Standard
Bumper, rear, chrome, step-style with pad (not available with pickup box delete) Standard Standard Standard
Cargo Management System, aluminum front and side C-channel rails located in the pickup box, includes four adjustable tie-down hooks Available Available Available
Daytime Running Lamps, with automatic exterior lamp control Standard Standard Standard
Fog lamps, front, halogen Available Available Standard
Glass, Solar-Ray light-tinted, all windows Standard Not Available Not Available
Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield, driver, and front passenger-side glass) Available Standard Standard
Grille, chrome surround Standard Standard Standard
Headlamps, dual halogen composite, includes automatic exterior lamp control and flash-to-pass feature Standard Standard Standard
Lamps, dual cargo area Standard Standard Standard
Lamps, Smoked Amber roof marker Available Available Available
License plate bracket, front (will be forced on orders with ship-to states that require a front license plate) Available Available Available
Mirrors, outside manual, black, manual-folding Standard Not Available Not Available
Mirrors, outside high-visibility vertical camper-style, Black with manual folding and extension and lower convex spotter glass Available Not Available Not Available
Mirrors, outside heated, power-adjustable, manual-folding, black Not Available Standard Standard
Mirrors, side, heated, power-adjustable, power-folding and driver-side auto-dimming with integrated turn-signal indicators Not Available Available Standard
Mirrors, side, heated power-adjustable vertical camper manual-folding and extension, Black, integrated turn signal indicators consisting of 50 square inch flat mirror surface positioned over a 20 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated or power adjustable) Not Available Available Available
Moldings, bodyside, body-colored Not Available Standard Standard
Rear Parking Assist, ultrasonic with rearview LED display and audible warning (Extended Cab and Crew Cab models only. Included and only available with Convenience Package) Not Available Available Available
Recovery hooks, front, frame-mounted Standard Standard Standard
Tailgate protection, top-of-tailgate protection cap Standard Standard Standard
Windshield Washer Fluid System, heated Not Available Not Available Standard
Wipers, front intermittent, wet-arm with pulse washers Standard Standard Standard

Wheels

Wheels
16" x 7.0" 8-lug painted steel
16" x 7.0" 8-lug chrome-clad steel
17" x 7.5" 8-lug bright machined aluminum
17" x 6.5" 8-lug painted steel includes painted center caps

Tires

Tires  Reg/Ext and Crew Ext and Crew
Cab
Work
Truck
SLE SLT
Note: Standard and optional tires depend on the Sierra model and suspension selected. See your GMC dealer for details.    
Lock, spare tire, utilizes same key as ignition and door Available Standard Standard
Tires, all-season, blackwall, LT225/75R17E (requires 11,400 GVWR) Standard Standard Standard
Tires, on-/off-road, blackwall, LT225/75R17E (requires 11,400 GVWR) Available Available Available
Tires, on-/off-road, blackwall, LT265/75R16E (not available with 11,400 GVWR) Standard Standard Not Available
Tires, all-terrain, blackwall, LT265/70R17E (requires 8-lug bright aluminum wheels) Not Available Not Available Standard
Spare, LT225/75R17E, all-season, blackwall, located at rear underbody of vehicle Available Available Available
Spare, LT225/75R17E, on-/off-road, blackwall, located at rear underbody of vehicle Available Available Available
Spare, LT265/75R16E, on-/off-road, blackwall, located at rear underbody of vehicle Available Available Available
Tire carrier, outside spare, under frame at rear Standard Standard Standard
Tools, mechanical jack and wheel wrench, floor-mounted in back of cab Standard Standard Standard

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* Manufacturer's Suggested Retail Price. Tax, title, license, dealer fees, and optional equipment extra.
Wheel flares are black on all models except for SLE and SLT models in the following colors where the flares match the exterior paint color: Sand Beige Metallic, Polo Green Metallic, Summit White, Silver Birch Metallic, and Carbon Metallic.