Power Adjustable Vertical Trailering Mirrors - Includes auto-dimming inside rearview mirror, black outside heated power adjustable vertical trailering manual-folding and extending mirrors, integrated turn signal indicator consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass, auxiliary cargo lamp for backing up and amber auxiliary clearance lamp.
3.73 Rear Axle Ratio
Engine Block Heater
Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Allison 1000 6-Speed Automatic with Manual Shift
LT Convenience Package - Includes driver 10-way power seat adjuster, dual zone automatic climate control, manual tilt and telescopic steering column, 110-volt power outlet, remote vehicle starter system, theft-deterrent system, rear-window defogger, and front fog lamps.
LT Plus Package - Includes universal home remote, power adjustable pedals, rear sliding power window, rear-window defogger, and rear park assist.
18 in. Chromed Aluminum Wheels - Includes 18 in. chromed aluminum wheels w/ 18.0 in. x 8.0 in. steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered.
LED Cargo Area Lighting - Includes LED pickup bed lighting which can be activated with the switch on center switch bank or key fob.
Bose Audio System - Includes premium Bose audio system w/ 6 speakers (7 speakers including subwoofer when ordered with bucket seats).
Trailer Wiring Provisions - Includes wiring provisions for camper, fifth wheel and gooseneck trailers and additional 7-way wiring harness, located at the rear of the pickup box attached to the rear frame cross member.
All-Weather Floor Mats - Includes front and rear all-weather floor mats. Limited Promotion Option.
Chrome Round Assist Steps - Includes 4 in. chromed round tubular assist steps. Limited Promotion Option.
Bedliner - Limited Promotion Option.
California Emissions Requirements
Heavy-Duty Trailering Equipment - Includes 2.5 in. trailering hitch platform w/ 2.0 in. insert for HD, 7-wire harness w/ independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps, backup lamps, right and left turn signals, an electric brake lead, battery and a ground, and integrated trailer brake controller. (The trailer connector also includes the 4-way for use on trailers without brakes - park, brake/turn lamps.)