Meet the 2020 GMC Sierra 1500 AT4, a truck built for those who demand capability and refinement on and off the road. With its 3.0L diesel engine paired with a 10-speed automatic transmission and four-wheel drive, this Sierra delivers the power and control you need in any condition. Gray exterior paint complements the truck's commanding presence, while its thoughtfully engineered interior speaks to GMC's commitment to driver satisfaction.

- Power Sunroof
- Technology Package with HD Surround Vision and 15 Head-Up Display
- 3.0L Turbocharged Diesel Engine with 460 lb-ft of torque
- Driver Alert Package II with Forward Collision Alert and Automatic Emergency Braking
- 20 Machined Aluminum Wheels with Carbon Grey accents
- Heated and Ventilated Front Seats with 10-Way Power Adjustment
- Multicolor Head-Up Display
- Bed View Camera and Rear Camera Mirror
- Lane Keep Assist and Lane Departure Warning
- Remote Vehicle Starter System
- Off-Road Suspension with Hill Descent Control
- Heavy-Duty Rear Locking Differential
- Cargo Convenience Package with Console Safe and Rear Under-Seat Storage
- ProGrade Trailering System
- Spray-On Bed Liner with AT4 Logo

This AT4 model stands apart with its premium appointments designed for serious truck owners. The diesel engine achieves 22 city and 26 highway MPG, delivering efficiency without sacrificing the 460 lb-ft of torque that makes this truck genuinely capable. Advanced camera systems including surround vision and a rear camera mirror provide confidence during maneuvering, while the trailering package and integrated trailer brake controller make towing straightforward and safe.

The cabin reflects attention to detail with heated and ventilated front seats, a power sunroof with easy operation, and a wireless charging pad for your devices. The premium GMC Infotainment System features Apple CarPlay and Android Auto compatibility, keeping you connected to what matters. Dual-zone automatic climate control ensures passenger comfort in any season, while heated rear seats extend that comfort to everyone aboard.

Safety technology works seamlessly throughout this truck. Forward collision alert, automatic emergency braking, lane keep assist, and front pedestrian braking provide active protection. The Safety Alert Seat adds another dimension to your awareness, while adaptive cruise control with following distance indicator reduces fatigue on longer drives. Ultrasonic park assist helps you navigate tight spaces with ease.

The AT4 Premium Package elevates this truck further with all-terrain capability and refined styling. Off-road suspension with hill descent control stands ready when the road ends, while 18-inch all-terrain tires provide dependable traction. Six-inch black rectangular assist steps make entry and exit effortless, and the bed-mounted 120-volt outlet powers your jobsite or campsite tools.

A truck this complete deserves your attention. The 2020 GMC Sierra 1500 AT4 combines diesel efficiency, advanced safety, premium comfort, and genuine capability into one well-rounded package. Schedule your visit today to experience how this truck meets the demands of real work and real life.