Summit White 2015 GMC Sierra 1500 SLT 4WD 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive, 4WD, Cocoa/Dune Leather.Located in Fort Collins, but we also serve Denver, Loveland, Windsor, and the greater Northern Colorado area. Recent Arrival!Awards:* 2015 KBB.com Brand Image AwardsBuy from the people you know and trust. Located in Ft. Collins CO, but also serving Loveland, Windsor, Greeley, Timnath, Berthoud, and Longmont. Please call for availability 970-226-2438.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