The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how ...

Ram is updating its Heavy Duty truck lineup for 2025 and is making its high-output Cummins diesel the ... the most basic Ram 2500 and 3500 pickups is still the 6.4-liter gasoline-burning Hemi ...

A larger gasoline engine is optional on the Silverado 2500HD Classic in the form of an 8.1-liter V-8 that generates 330 horsepower. For maximum towing and hauling performance, a Duramax 6.6-liter ...

Wide range of configurations; heavy-duty towing and hauling ability; fresh design, Cummins turbo-diesel available on all trims ... wheel and four-wheel drivetrain choices, Dodge trucks base engine was ...

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 ...