Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Black Cloth, 1SA Pro Safety Plus Package, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Auto High-beam Headlights, Auto-Dimming Inside Rear-View Mirror, Automatic Emergency Braking, Brake assist, Buckle to Drive, Compass, Convenience Package, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, EZ Lift Power Lock and Release Tailgate, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats with Lockable Storage, Front anti-roll bar, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Lane Change Alert with Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, Low tire pressure warning, Occupant sensing airbag, Overhead airbag, Perimeter Lighting, Power steering, Power windows, Power-Adjustable Black Outside Mirrors, Premium audio system: GMC Infotainment System, Push Button Start, Radio: AM/FM with GMC Infotainment System, Rear Cross Traffic Alert, Remote Keyless Entry, Remote Keyless Entry, Speed control, Suspension Package, Tilt steering wheel, Trip computer, Ultrasonic Front and Rear Park Assist, Voltmeter, Wireless Phone Projection.