Not too far behind the Chevrolet Silverado and the GMC Sierra for ... Ford Super Duty F-250 XL. It used to make diesel engines for variations of its more popular F-150 truck, but that is no ...

the new GMC 2500HD pickup truck is a lot better than the outgoing model. For starters, it has access to a lot more power than before thanks to a retuned 6.6-liter Duramax turbo-diesel engine that ...

For 2017, the GMC Sierra 2500HD and 3500HD are now offered with a more potent Duramax 6.6-liter turbocharged diesel engine. The upgraded diesel ... GMC Sierra and gasoline-powered Sierra HD pickup ...