The mighty Duramax diesel engine has been around since 2001, with the 6.6-liter being the largest. Available in the heavy-duty Chevrolet Silverado and GMC Sierra, the latest iteration of this ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...