GMC Sierra 2500 HD AT4 (2020, fourth generation) photos

The 2020 GMC Sierra 2500 HD AT4 has offroad suspension with Rancho shocks, Eaton locking rear differential, skid plates, and offroad traction control mode.

Credit: GMC

2020 GMC Sierra 2500 HD AT4
2020 GMC Sierra 2500 HD AT4



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Joshua Thompson

Joshua Thompson

News editor — Joshua deals with numbers for a living, but cars are his lifelong passion. He loves all, from his dream Stingray through to his first car, a Mercury Tracer.


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GMC Sierra 2500 HD AT4 (2020, fourth generation) photos