Originally Posted by NRG
21 city summer 17 winter 26 hwy. I do about 50/50. Considering the gas gallon is cheaper plus added performance you get from the gas. There is no benefit from the D. This is my first and last diesel car.
This is helpful to know, thanks. I had no idea that the diesel mpg is worst in the winter. I get better mpg in the winter on my X5 35i b/c my A/C isn't running.