2021 GMC Sierra 1500 AT4 Crew Cab 4WD for Sale in Concord, CA

Explore V8 performance and premium off-road capability in this used 2021 GMC Sierra 1500 AT4 Crew Cab 4WD at Lehmer’s Concord GMC. Powered by a 6.2L EcoTec3 V8 paired with a 10-speed automatic transmission, this Sierra brings strong acceleration and the versatility of four-wheel drive. The AT4 combines a rugged factory off-road setup with the space and comfort of a full-size crew cab, making it appealing for both weekday driving and weekend adventures.

FEATURE HIGHLIGHTS

- 6.2L EcoTec3 V8: Produces 420 horsepower and 460 lb-ft of torque, matched with a 10-speed automatic transmission for confident power delivery.
- Four-Wheel Drive: AT4 capability and a two-speed transfer case support changing road conditions and recreational travel.
- Factory Off-Road Focus: The AT4's 2-inch factory suspension lift, off-road suspension and underbody protection are designed for rougher terrain.
- Distinctive AT4 Design: Bold GMC styling and AT4-specific exterior details give this pickup a purposeful presence.
- Crew Cab Versatility: A spacious four-door layout provides practical passenger accommodations for family, friends or coworkers.
- Pickup Utility: A full-size cargo bed offers flexibility for work equipment, home projects, camping supplies and outdoor gear.

Drivers seeking a used GMC Sierra AT4 in the East Bay will appreciate the combination of strong V8 power and everyday usability. It is well suited to commutes through Concord and Walnut Creek, trips across the Bay Area, and weekends exploring Northern California. Four-wheel drive and the factory off-road-oriented configuration add flexibility when paved roads give way to dirt access routes.

The crew cab layout makes this Sierra practical beyond its capability as a pickup. Its generous passenger space helps accommodate daily routines and longer drives, while the cargo bed keeps tools, luggage and recreational equipment separate from the cabin. The 6.2L V8 provides the responsive performance many truck shoppers want without sacrificing the utility of a four-door pickup.

For buyers comparing pre-owned four-wheel-drive trucks, this 2021 GMC Sierra 1500 AT4 offers a compelling combination of a 420-horsepower V8, 10-speed automatic transmission, off-road-focused engineering and crew cab practicality. Ask about VIN 3GTP9EEL7MG344320 when contacting our team for current mileage, market-based price and vehicle details.

Contact Lehmer’s Concord GMC to confirm availability or schedule a test drive.

Looking for a used 2021 GMC Sierra 1500 near Richmond, Dublin or Vacaville? Visit Lehmer’s Concord GMC, a convenient Bay Area GMC destination for drivers near Hanlees Hilltop GMC, Dublin Buick GMC and GMC of Vacaville.

¿Prefiere atencion en espanol? Contacte a Lehmers Concord GMC para obtener informacion de nuestros vehiculos, o hacer un cita con el departamento que los atendera en espanol.

Family owned and operated for five generations, Lehmer’s Concord GMC has served Concord and the San Francisco-Oakland Bay Area since 1928. We proudly assist GMC shoppers from Walnut Creek, Pleasant Hill, Martinez, Richmond, Dublin, Vacaville and surrounding communities.

For pre-owned vehicles, all pricing is after rebates, if applicable. Factory rebates may not be available with a special alternative APR or lease program and may vary by residency. No sales to dealers, brokers or exporters. Out-of-state customers must be present to purchase. If shipping is required, the dealership must facilitate it. Prices exclude government fees and taxes, finance charges, an $85 dealer documentation preparation charge, a $37 electronic vehicle registration charge, and $50 emissions testing charge.