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Model Year Body/Powertrain MPG  
2009 2009 2dr Hardtop conv. 255-hp 3.0L I6 6-sp shiftable automatic RWD 26.5
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With the turbocharged 254hp 2.0L I4 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2009 BMW Z4 has been averaging 26.5 MPG (miles per gallon).

The 2009 BMW Z4s in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 55 percent of the miles driven). The rest of the miles were in the city (9 percent), in heavy traffic (9 percent), and in the suburbs (0 percent).

In addition, the average 2009 BMW Z4 in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
2009 2009 2dr Hardtop conv. turbocharged 300hp 3.0L I6 7-sp automated manual RWD 19.6
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2009 BMW Z4 Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the BMW Z4's real-world MPG based on how and where you drive a car.