2021 GMC Sierra 1500 AT4

This 2021 GMC Sierra 1500 AT4 in white delivers the capability and refinement you expect from a premium truck, backed by a thorough inspection to ensure peace of mind.

- Android Auto and Apple CarPlay integration
- Backup camera with hitch guidance
- Keyless access with push button start
- Bluetooth hands-free connectivity
- Touchscreen controls with GMC Infotainment System
- SiriusXM satellite radio with 360L
- Automatic headlights with fog lights
- Heated and ventilated front seats with perforated leather
- 10-way power driver and passenger seat adjustment with lumbar support
- Remote vehicle starter system
- Spray-on pickup bed liner with AT4 logo
- 120-volt bed-mounted and instrument panel power outlets
- ProGrade Trailering System with integrated trailer brake controller
- Off-road suspension with hill descent control
- 18-inch machined aluminum wheels

The AT4 package positions this Sierra 1500 as a truck built for serious work and weekend adventures. The 3.0L turbocharged inline-six engine paired with a 10-speed automatic transmission delivers balanced performance, achieving 22 city and 26 highway mpg. Four-wheel drive provides confident traction in varied conditions, while the off-road suspension and hill descent control elevate capability when the road gets rough.

Inside, the cab reflects thoughtful design for long drives and daily utility. Heated and ventilated front seats offer year-round comfort, and the 10-way power-adjustable driver seat with lumbar support helps you find your ideal driving position. Dual-zone automatic climate control keeps all occupants comfortable, while the steering wheel-mounted audio controls and Bluetooth hands-free system keep your focus on driving.

Technology integrates seamlessly into your routine. Apple CarPlay and Android Auto bring your smartphone's functionality to the 4.2-inch touchscreen, while SiriusXM 360L satellite radio offers entertainment options. The backup camera and hitch guidance system make parking and trailering more manageable, and the integrated trailer brake controller works with the ProGrade Trailering System for confident towing.

Practicality extends to every corner of the truck. The spray-on bed liner with AT4 logo protects against the wear of hauling, while 120-volt power outlets in the bed and on the instrument panel power your tools and devices. Premium floor liners in front and rear keep the cabin clean, and the remote vehicle starter system lets you warm up the engine before stepping outside.

Safety is addressed through a comprehensive suite of features including dual front impact airbags, dual front side impact airbags, and overhead airbags. Electronic stability control, traction control, ABS brakes, and a low tire pressure warning system work together to help keep you secure on any drive. The fully inspected condition of this Sierra 1500 AT4 means it's ready for the road with confidence.