Ram 1500 diesel highway fuel efficiency set at 32 mpg
(October 8, 2019) AUBURN HILLS, Mich. — Ram Truck has announced EPA fuel economy ratings for the 2020 Ram 1500 powered by the new 3.0-liter V-6 EcoDiesel engine. Ram’s half-ton EcoDiesel will be rated at 32 miles per gallon (mpg) highway, 22 mpg city for 4x2 models; 29 mpg highway, 21 mpg city for 4x4 models.