A truck brand based around professional grade performance, the 2006 GMC Sierra 2500HD receives strengthened diesel power. The Duramax 6.6-liter turbocharged diesel engine is radically upgraded for ...

This 2024 GMC Sierra 2500HD Denali Ultimate features a Full Throttle 7-9" lift kit to go with Elka shocks and just sold for $89,500. The truck has 10,000 miles on its 6.6-liter Duramax turbodiesel ...