Iridium Metallic 2015 GMC Sierra 1500 Denali 4WD 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive, 4WD, Cocoa/Dune Leather.Recent Arrival!Awards: * 2015 KBB.com Brand Image AwardsBlaise Alexander Family Dealerships - Taking the Deals the Other Guys Won't!Reviews: * Powerful and fuel-efficient engines; many available configurations; well-built, comfortable interior; quiet highway ride. Source: Edmunds * If you need a half-ton pickup with the most horsepower and a class-leading 12,000-pound trailer rating, the 2015 GMC Sierra full-size pickup has you covered. Bigger-than-life styling is augmented by a plush interior and a host of cutting-edge safety and communication features. Source: KBB.com