Quote:
Originally Posted by jbockrd
I am 17.4 right now with a mix of city and highway and I just had a 320i as a loaner and it only got 23.5 avg mpg. I cannot imagine the new M4 being mid 20s with mpg in mixed driving!!
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If you get 17.5 mpg with the E90 M3 I would guesstimate an improvement to 23 mpg in the F82.
Not sure what conditions you were driving the 320 in -- clearly not highway.