2021 GMC Sierra 1500 AT4

About this truck

2021 GMC Sierra 1500 AT4 in white delivers premium capability with the commanding EcoTec3 6.2L V8 engine and full 4WD performance. This crew cab short box combines rugged off-road readiness with refined comfort, featuring a jet black leather interior with Kalahari accents that sets a sophisticated tone. With 87,579 miles, this AT4 is well-maintained and ready for work or weekend adventures.

• EcoTec3 6.2L V8 engine with 10-speed automatic transmission
• 20" machined aluminum wheels with carbon grey metallic accents and Goodyear Wrangler Territory tires
• Heated and ventilated leather front seats with 10-way power adjustability and lumbar support
• GMC Infotainment System with multi-touch display, Apple CarPlay, Android Auto, and SiriusXM 360L
• Off-road suspension, hill descent control, and auto-locking rear differential
• Spray-on bed liner with AT4 logo and integrated trailering system with hitch guidance
• Remote vehicle starter, keyless entry, and keyless open & start functionality
• Dual-zone automatic climate control with heated steering wheel
• ProGrade trailering package with integrated trailer brake controller and in-vehicle trailering app
• LED cargo lighting and heated door mirrors

The AT4 package provides serious off-road credentials alongside premium daily-driver comfort. Dual front and side airbags, electronic stability control, and hill descent control ensure confidence in any condition. The cab is equipped with rear seat heating, multiple USB charging ports, and OnStar connectivity, making every journey safer and more connected.

This Sierra AT4 represents a mature, well-equipped truck that balances capability with luxury. Contact us to schedule a test drive and experience the commanding presence and refined interior that define GMC's premium truck lineup.