vandy09 Posted June 22, 2011 Report Share Posted June 22, 2011 i keep anal records on my car to include every ounce of gas put in or burned out of her. i avg 21ish with 100% gas. around 18.5 with e10. i do a mix of highway and city driving. i just drive like an old lady most of the time. but then again i didnt buy the car for mpgs Link to comment Share on other sites More sharing options...
09 Red GT500 Posted June 22, 2011 Report Share Posted June 22, 2011 I've gotten over 20 on the highway, but that is always a bit boring. Track days, on the other hand, are a different story. Gas mileage is 7ish mpg. I figure the lower the gas mileage, the more fun I'm having!!! Link to comment Share on other sites More sharing options...
wingsnut Posted June 22, 2011 Report Share Posted June 22, 2011 Manually figuring my mpg I average about 20.5 and that's with TVS and VMP 93 octane tune, actually better than it was when stock. Link to comment Share on other sites More sharing options...
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