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 ...

Read more: Every Ford EcoBoost Engine Ranked Worst To Best Chevy's first-ever Duramax diesel ... of the 6.6-liter diesel with a new code name, LBZ. The LBZ debuted for the 2006 model year with ...

General Motors' Duramax diesel engine lineup has been powering GM trucks and SUVs and enthralling gearheads since its original release in 2001. While the most famous member of the Duramax roster ...