Recent Arrival! FREE DELIVERY ANYWHERE IN COLORADO. Onyx Black 2014 GMC Sierra 1500 SLT 4D Crew Cab EcoTec3 5.3L V8 Flex Fuel 6-Speed Automatic Electronic with Overdrive RWDThis vehicle is located at Mike Maroone Ford Longmont, 235 Alpine St, Longmont, CO 80501, please call (303) 776-2861 for more information.Awards:* 2014 KBB.com Brand Image AwardsReviews:* New, more fuel-efficient engines; improved interior; quiet highway ride. Source: Edmunds* The 2014 Sierras innovative powertrains and handsome aesthetics should appeal to longtime GMC fans and tempt buyers new to the brand. In just one of many mine is bigger battles in the half-ton truck market, the 2014 Sierras 12,000-pound max tow rating is expected to be king at least for now. Source: KBB.com