KBB.com Brand Image Awards. This GMC Sierra 3500HD boasts a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. WHEELS, 18 (45.7 CM) CHROMED ALUMINUM includes 18 x 8 (45.7 cm x 20.3 cm) steel spare wheel. (STD), TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive, electronic engine grade braking and tow/haul mode, TRAILERING WIRING PROVISIONS, FOR CAMPER, FIFTH WHEEL AND GOOSENECK TRAILER includes additional 7-way wiring harness is located at the rear of the pickup box attached to the rear frame cross member.*This GMC Sierra 3500HD Comes Equipped with These Options *SUSPENSION PACKAGE, STANDARD includes 51mm twin tube shock absorbers and 33mm front stabilizer bar (STD), DURAMAX PLUS PACKAGE includes (L5P) Duramax 6.6L Turbo Diesel V8 engine and (VQY) chrome recovery hooks, LPO, (MW7) Allison 1000 6-speed automatic transmission , TIRES, LT265/70R18E ALL-SEASON, BLACKWALL (STD), SUNROOF, POWER, SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET WITH (KA1) HEATED SEAT CUSHIONS AND SEAT BACKS. Includes 12-way power driver and front passenger seat adjusters, including 4-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets and (K4C) wireless charging (STD), REAR AXLE, 3.73 RATIO, PAINT, SOLID, ONYX BLACK, LPO, CHROME RECOVERY HOOKS, LICENSE PLATE KIT, FRONT Note: (VK3) deletes center lower bumper filler panel..* Stop By Today *Treat yourself- stop by Nimnicht Buick GMC located at 11503 Philips Hwy, Jacksonville, FL 32256 to make this car yours today!