I had a 0215 Ram CC with the 3.21 gears, 2 wheel drive,, I easily got 20 to 22 mpg on the hiway running about 70 to 71 mph and 16 to 17 in the city. I had a 2019 Ram 1500 CC, 2 wheel drive with the 3.92 gears. On the road I averaged 19 mpg, sometimes 20mpg, at 70 t0 71 mph and 16 around town...