are you guys doing your own calculations or are you going by what the digital avg meter states?

i just broke 1000 miles on my 2012 X5 50i this week and it states i am averaging 13.8mpg...

i have been driving it almost everyday to work which is about 20 miles each way... mostly highways but don't forget it's rush hour traffic.

other than that it's an awesome vehicle... seems to be getting stronger each week as i continue to break her in...

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2012 X5 50i M-Sport
2014 X3 35i M-Sport