Onyx Black 2025 GMC Sierra 1500 Denali 4WD 10-Speed Automatic EcoTec3 5.3L V8 10-Speed Automatic, 4WD, Jet Black Leather. Price includes: $1000 - Bonus Cash. Exp. 04/30/2025 $2750 - Purchase Allowance. Exp. 04/30/2025