Cars and Transportation
Thrifty SUV
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Drive it! took out the xDrive25d all-wheel version of the latest X1 upgrade, which has a two-liter, four-cylinder engine that churns out 170 kW of power. The smart new system saves both fuel and emissions. If the X1 is rolling down a standard road in good conditions, the power train only engages the front wheels. But off-road it kicks in the rear axle as well.