The 6.6 Duramax and 6.7 Power Stroke are two engines powering some of the most well-known pickups in the country, but how do they compare?

The 6.7 Cummins and 6.6 Duramax diesel engines are both reliable and solid, but they do differ in some ways. Here's the difference between the two.

GM and Stellantis use some heavy-hitting diesel engines in their pickup trucks. But which is the best?