Good info, thanks. I think my brother is getting 25-26 mpg loaded down.

I will start focusing on the 2011s.

1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500