Since launching in 1992 as a replacement for the 6.2 diesel V8, the 6.5-liter GM Detroit diesel engine has had good years and bad years, and opinions on its merits have been just as mixed. Some view ...

A popular argument in the heavy-duty pick-up truck segment - where big names like the Ford F-250 Super Duty and Chevrolet Silverado 2500HD do battle - is Cummins versus Duramax, and who reigns supreme ...

Remember the Volkswagen Dieselgate saga that gave us Electrify America? Fast forward to December 2023, and an engine manufacturer agreed to pay an eye-watering fine to settle claims that it violated ...

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 ...

When the off-road focused Sierra AT4X debuted, it was equipped with just a single engine option: GMC's premier 420-hp, 6.2-liter V-8. However, since the introduction of the rugged AT4 trim in 2019 ...