This GMC Sierra 1500 Has Many Features and is well equipped Including, 10-Speed Automatic, Black Leather. This 2026 GMC Sierra 1500 SLT in Summit White features: 2026 GMC Sierra 1500 SLT RWD 3.0L I6 23/28 City/Highway MPGAll prices plus sales tax and tag. A Better Way To Buy.DIESEL, BACK-UP CAMERA, LEATHER, HEATED FRONT SEATS, HEATED STEERING WHEEL, NAVIGATION, LANE DEPARTURE WARNING, BLUETOOTH®, MP3 Player, KEYLESS ENTRY, 28 MPG Highway, SAT RADIO, WIRELESS CHARGING, LED HEADLIGHTS, 20 WHEELS, TAILGATE STEP, ALLOY WHEELS.