This 2021 GMC Sierra 1500 AT4 represents a capable full-size pickup truck built for both work and weekend adventures. With its muscular presence and proven engineering, this truck delivers the performance and features you expect from a premium pickup.

- Power Sunroof
- Technology Package with HD Surround Vision and Rear Camera Mirror
- Multicolor 15" Diagonal Head-Up Display
- 20" Machined Aluminum Wheels with Carbon Grey Metallic Accents
- EcoTec3 6.2L V8 Engine with Dynamic Fuel Management
- Driver Alert Package II with Automatic Emergency Braking and Adaptive Cruise Control
- Perforated Leather-Appointed Front Seat Trim
- Heated and Ventilated Front Seats
- 10-Way Power Driver Seat with Lumbar Support
- Premium Bose 7-Speaker Sound System with SiriusXM
- Apple CarPlay and Android Auto Integration
- Spray-On Pickup Bed Liner with AT4 Logo
- ProGrade Trailering System with Integrated Trailer Brake Controller
- AT4 High Clearance Step
- Cat-Back Performance Exhaust

The AT4 trim reinforces this truck's off-road heritage with an off-road suspension that handles rough terrain with confidence. The exterior presents a commanding Gray finish complemented by the truck's aggressive stance and design elements that signal capability and durability.

Under the hood, the EcoTec3 6.2L V8 engine produces 420 horsepower and 460 lb-ft of torque, paired with a 10-speed automatic transmission and 4WD for responsive handling across varied conditions. The dynamic fuel management system adjusts cylinder operation between 2 and 8 cylinders depending on demand, optimizing both power delivery and efficiency when cruising at highway speeds.

Inside, the truck's cabin combines comfort with connectivity. The premium GMC Infotainment System with navigation keeps you oriented, while the multicolor head-up display projects critical information directly into your line of sight. Heated and ventilated front seats with leather trim provide comfort across seasons, and the 10-way power driver seat with lumbar support ensures proper positioning on long drives.

Safety and driver assistance technologies are integrated throughout. Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, and Adaptive Cruise Control work together to help protect you and your passengers. The truck also features HD Surround Vision with trailer view camera provisions and a rear camera mirror, giving you comprehensive visibility when maneuvering in tight spaces or backing up a trailer.

Alpine offers an unconventional experience with up front pricing, a non commissioned staff, no games, and a pain free auto shopping experience. Our focus is your satisfaction and making sure you walk out the door happy, with our without a vehicle. Only at Motor City, Only at Alpine! (719)636-3881 1313 Motor City Drive, Colorado Springs, CO 80905.