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Old 01-23-2013, 03:38 PM
solstice solstice is offline
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Location: Seattle
Join Date: Aug 2010
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Mein Auto: 2015 F80 M3
I think the new X5 will show big mpg improvements since the N55 is capable of much better mileage in the still heavy F10. As a comparison our new Cayenne with the 3.6 liter NA V6 got 27 mpg at a 172 miles door to door ski trip last weekend. This included passing through two smaller cities and two drive through espresso stand visits. Terrain makes a huge difference it took 22.7 mpg to the destination and 34 mpg coming home each 86 miles and 49 mph avg. speed. 27 mpg was the calculated mpg for the full trip mpg after re-fueling. I would assume the new X5 35i to get closer to these numbers.
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