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 ...

If you've been considering a Ram or Ford heavy-duty truck for your next purchase, you might be wondering about how the 6.7 Cummins and Ford 6.7 Powerstroke compare, and understandably so. These two ...

Ram's biggest off-roader now has the grunt to compete with rivals from Ford and GM, and it only had to get rid of its winch.

The Duramax V8 L5P has a displacement of 6.6 liters, which is slightly smaller than the 6.7L engines offered by Ford and Ram. Despite this, the L5P delivers 470 horsepower at 2,800 rpm, making it ...

LML, like many other GM product codes, doesn't stand for anything at all, and is merely a sequence of letters meant to denote ...

In the full-size truck segment, the Big Three in Detroit offer three distinct V8 turbo diesels. At the very top of the spectrum, the Ford Scorpion 6.7-liter Power Stroke develops up to 500 horsepower ...

The GMC Sierra 2500 HD is solidifying its reputation as a tough as nails truck with a new 6.6-liter Duramax V-8 turbo diesel engine that produces a whopping 765 lb.-ft. of torque at 1,600 rpm. Also, a ...