Onyx Black 2014 GMC Sierra 2500HD Denali4WD Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed AutomaticAt Jim Glover Chevrolet, we are committed to straightforward, up front pricing with no games! We want to earn your business for life, and save you TIME and MONEY every step of the way!Allison 1000 6-Speed Automatic, 4WD, Ebony Leather.Don't forget to ask about our Engines for Life Guarantee and 7-Day Exchange Program! Plus, every vehicle purchase helps support the Folds of Honor Foundation and their mission to provide educational scholarships to military and first responder families!Awards:* 2014 KBB.com Brand Image AwardsReviews:* Impressive hauling and towing capabilities; refined and quiet ride; solid build quality; responsive steering. Source: Edmunds* If you need to haul big payloads exceeding 10,000 pounds or conventionally tow up to 18,000 pounds, the 2014 GMC Sierra HD has you covered. The Denali trim should hold special appeal for those who use their work truck as a daily driver. Source: KBB.com