The '07 Diesel Power Challenge was the toughest one yet. Drivers faced off on a hot summer day at Rocky Mountain Raceways in West Valley City, Utah, which is at an elevation of 4,215 feet above sea ...

Diesel Power Challenge is our annual, one-of-a-kind performance and endurance competition that pits Ford, GM, and Ram owners—and their trucks—against each other in a battle for diesel supremacy.

Ram spent years telling off-road truck fans that a diesel Power Wagon would not happen. Then the brand tore up that script as part of its 2026 heavy-duty reset. The Diesel Power Wagon returns this ...