The hiway mileage is upwards of 26-28mpg and a good 22-24mpg combined driving. The torque is what sets it apart from the 3.5i it has V8 torque and 6cyl economy. There will not be a 2014 diesel maybe 2015-16 before they release a diesel from what I have heard.
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X5M, Eisenmann exhaust, 22" HRE wheels, catless down pipes, Stage II tune/X5 Diesel, Lowered & Tuned
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