There are two X4 models. The turbocharged 2.0-liter four that powers the X4 xDrive28i ($45,650, including transportation) makes 240 horsepower and 258 pound-feet of torque. The xDrive35i ($48,950) gets a turbocharged 3.0-liter inline-six good for 300 hp and 300 lb-ft. Both engines are mated to an eight-speed automatic transmission
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