Powering the most basic Ram 2500 and 3500 pickups is still the 6.4-liter gasoline-burning Hemi V8, which drops 5 hp, now delivering 405 hp and 429 lb-ft of torque, pushed through an eight-speed ZF HD 8HP75 transmission.

Following last year's update of the light duty Ram 1500, the heavy duty Ram trucks get a refresh for 2025 with a redesigned Cummins 6.7L diesel and more tech

The heavy-duty Ram 2500 gets larger touchscreens, a lower tow rating, and an update available turbodiesel powertrain for 2025.

Ram has officially unveiled its new 2500, 3500, and Chassis Cab lineup for 2025. Highlights include a new 6.7-liter Cummins High-Output Turbo Diesel engine delivering 430 horsepower and 1,075 lb-ft of torque,

Ram's heavy-duty trucks receive a comprehensive refresh that includes new exterior styling and interior upgrades.

Ram has finally revealed its 2025 HD and Chassis Cab lineups, incorporating many of the flashy upgrades that have already hit the standard Ram 1500 pickup. But there’s more to this overhaul than a fancier cabin and a new grille.