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Price Drop

2021 GMC Sierra 1500 Crew Cab

AT4 Pickup 4D 6 1/2 ft
86,795 miles
Includes:$4,295 in factory upgrades

Why You’ll Love This Sierra 1500

Slotted between the SLT and range-topping Denali trims in the Sierra 1500 lineup, the AT4 delivers an off-road suspension with a 2-inch factory lift and Rancho monotube shocks for confident trail capability, plus a versatile GMC MultiPro Tailgate and ventilated front seats that make everyday use comfortable and convenient.

AT4 Preferred Package

Originally valued at $1,420, this package adds a Premium Bose 7-Speaker Sound System, a Power Sliding Rear Window with Rear Defogger, Wireless Charging, and a Premium GMC Infotainment System Radio with Navigation.

Power Sunroof

Originally valued at $995, this option opens the cabin to natural light and fresh air with the touch of a button.

MultiPro Audio System by Kicker

Originally valued at $815, this audio system by Kicker integrates into the MultiPro tailgate, providing powerful sound for outdoor gatherings or worksite entertainment.

Satin Steel Metallic

Originally valued at $495, this paint finish provides a sophisticated, modern exterior appearance.

Efficient diesel torque

Delivers impressive 22/26 MPG (city/highway) and 460 lb-ft of torque through a 3.0L I6 Duramax Turbo-Diesel engine, 10-speed automatic transmission and 4WD, enhanced by automatic stop/start technology.

Off-road suspension with lift

Features an off-road suspension with a 2-inch factory lift and Rancho Monotube shocks, providing enhanced ground clearance and improved ride quality over varied terrain.

Off-road capability focus

The AT4 trim prioritizes off-road capability and daily comfort, unlike the base trim which focuses on standard utility.

GMC MultiPro tailgate

Offers a versatile GMC MultiPro tailgate with six functional positions, making loading, unloading and accessing the bed more convenient.

Ventilated front seats

Provides ventilated front bucket seats with a center console, circulating air to keep you cool and comfortable on warmer days.

Advanced 4WD system

Ensures confident traction and control across diverse conditions with a 4WD system featuring a 2-speed AutoTrac transfer case.

Hill descent control

Automatically maintains a controlled speed when descending steep grades, enhancing safety on challenging trails.

Heated front seats

Warms the front seats for added comfort in colder weather.

Leather-appointed seating

Features premium leather-appointed seating with distinctive AT4 accents.

Heated steering wheel

Provides a heated, leather-wrapped steering wheel for comfortable grip in cold temperatures.

18-inch machined aluminum wheels

Machined aluminum wheels, measuring 18-inches, provide a balanced blend of strength and a refined aesthetic for the vehicle's stance.

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