The Cummins B6.7 Octane gasoline-powered engine has 300 hp and 660 lb-ft of torque, but can't match the power output of ...

Although the 6.7L Cummins Diesel is highly popular, mechanics and those who own trucks that use it share their opinions on the engine.

The turbodiesel Ram 2500 HD Rebel is a niche option, and isn’t cheap. But its mix of talents off-road and on is impressive.