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      03-27-2013, 08:44 AM   #81
Brigadier General

Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

iTrader: (3)

I get about 17.5 average city and highway. I do not get stuck in heavy traffic regularly but I also do not try to maximize highway fuel economy and every tank gets a number of full throttle runs through a gear or two. Car has 50k miles and my average has been about this for the 20k that I have owned it. On a pure highway trip, I can hit about 20, again while driving with no regard for maximizing fuel economy. I could probably manage low 20s on the highway, but might as well be driving a camry if that was my driving style.