The Dodge Ram 2500 5.7L HEMI V8 engine has a gas efficiency rating of 15 miles per gallon under city conditions and 22 miles per gallon on highways. This engine features the Toqueflite 8 eight-speed automatic transmission.
RAM trucks are fitted with the Torqueflite 8 automatic transmission, which utilizes a thermal management system to improve gas efficiency. Additionally, the truck's four-corner air suspension allows for optimal load leveling, further improving engine performance. The Active Air grille shutters assist in the performance and efficiency of RAM trucks by allowing air to enter and cool the engine while automatically closing air flow at highway speeds to improve the aerodynamic profile of the truck.