2012 BMW X3 Long Term Road Test


2012 BMW X3 xDrive35i: Road Trip Fuel Economy

August 15, 2012

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As I set out on my road trip in our long-term 2012 BMW X3 xDrive35i, I had no illusions that I was going to break any fuel mileage records. Nobody drives a 300-horsepower, 4,200-pound crossover because they really care about mpg.

While driving 3,253 miles, I put in 134.6 gallons of fuel, of which 40.161 gallons were 92 octane from gas stations in Washington. The rest was good old California 91. I planned my fuel stops so that I wouldn't have to stop in Oregon and delegate the refueling to gas station staff.

Here's how I did against the X3's 19 mpg city, 26 mpg highway, 21 mpg combined EPA rating.

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Best mpg: 25.7

Worst mpg: 22.3

Average mpg: 24.2

Longest tank: 445.0

In short, not even close to the numbers I got in our long-term 2011 528i, where I averaged 29.3 mpg and eked 531 miles out of single tank.

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Erin Riches, Senior Editor @ 14,414 miles (again)

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