2011 BMW X5 xDrive50i 4dr SUV AWD (4.4L 8cyl Turbo 8A)
The twin-turbo 400 hp V8 in the 50i performs very well, providing plenty of power and torque, yet I am getting 18.5 mpg with a 50:50 mix of highway and city. The X5 feels almost as quick as my 2008 550i I turned in (end of lease) for the X5. Very quiet ride, 19" run flats make very little road noise and the upgraded stereo is incredible. Handling is excellent, and steering and brakes are very responsive.
Engine performance, handling, ride, comfort, stereo, very good fuel economy for a 400 hp V8 in such a heavy vehicle.
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