The addition of 18-inch polished aluminum wheels wrapped in all-terrain tires, skid plates, and a factory-installed rear bumper with integrated trailer sway control underscores its commitment to versatility. Dual-zone automatic climate control for personalized comfort.
2020 GMC Sierra 1500 AT4 Exterior Design Styling Details
Body-colored grille inserts and door handles for a cohesive look. This configuration strikes an ideal balance between everyday drivability and the ability to haul heavy loads.
7-liter turbocharged four-cylinder engine, producing 310 horsepower and 400 lb-ft of torque. Interior Comfort and Technology Inside, the 2020 Sierra 1500 AT4 prioritizes driver comfort and modern connectivity.
2020 GMC Sierra 1500 AT4 Exterior Design Styling Details
7L Turbo I4 6. Available 12-speaker Bose premium audio system.
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