Official mpg figures aren't typically made publicly available for heavy-duty trucks so we found out what real owners report about their 6.7 Cummins' mpg.

Interested in purchasing a Ram 2500 with a 6.4 HEMI engine? Here is what you can expect this workhorse to tow, as well as the estimated MPG it can achieve.

The updated 2025 Ram 2500 HD is available with a high output Cummins diesel engine that provides efficiency, speed and heavy hauling capability. American Cars And Racing Executive Editor Gary ...

Three different trucks, three different powertrains. We wanted to know: What gas mileage do they get in real-world driving?

A revised Cummins turbo-diesel six-cylinder engine makes the refreshed 2025 Ram 2500 one of the slickest-driving heavy-duty trucks on the market.