2025 RAM 3500

Ram has refreshed its hardworking 2500 and 3500 heavy-duty pickups for 2025 with updates aimed more at improving comfort and increasing fuel economy rather than appearance.

Cars.com took the opportunity during the 2025 Chicago Auto Show’s media days to get a closer look at a few new models and answer some questions you have about those cars, too.

Ram’s big 2500/3500 heavy-duty pickup trucks are getting some significant changes for the 2025 model year, including an updated diesel powertrain, new styling and new tech.

For 2025, a new 6.7-liter Cummins turbo-diesel six-cylinder makes a little more horsepower than its predecessor in the Ram 2500 and 3500 Heavy Duty trucks.