Onyx Black 2017 GMC Sierra 1500 Denali 4WD 8-Speed Automatic with Overdrive EcoTec3 6.2L V8 8-Speed Automatic with Overdrive, 4WD, Jet Black Leather.Odometer is 15889 miles below market average!Awards:* 2017 KBB.com Brand Image AwardsReviews:* Strong combination of fuel... via HomeNet, Inc.