
The 2022 GMC Sierra 1500 AT4 is an off-road-oriented pickup truck that blends rugged capability with premium features. It sits below the more extreme AT4X in GMC's lineup, offering a balance between adventure-ready performance and everyday comfort.
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Performance & Off-Road Features
Engine Options: The AT4 comes standard with the 3.0L Duramax turbo-diesel inline-six engine, delivering 277 hp and 460 lb-ft of torque, paired with a 10-speed automatic transmission. An optional 6.2L V8 engine is available for those seeking more power.
Car and Driver
Suspension & Traction: It features a 2-inch factory lift, Rancho monotube shocks, and 18-inch wheels wrapped in Goodyear Wrangler DuraTrac mud-terrain tires. The AT4 is equipped with a two-speed AutoTrac transfer case, an automatic locking rear differential, and underbody skid plates for enhanced off-road durability.