Originally Posted by April1
City mileage is always misleading. If you really like to measure mph, drive on freeway at steady speed of 60mph, reset trip meter settings on idrive while driving and check the mpg average over 10 miles thereafter. You will be surprised to see a reading of 35 mpg. You should look at the current average and not the cumulative average.
Agreed. After some time at a steady 74 mph and utilizing ethanol free 91 octane, I was very impressed with the results in our 35i.