First uncovered in 2000BMW called the X5 a Sport Activity Vehicle (SAV), a term which has reportedly grabbed some general currency during the years. However, most consumers still refer to it and similar vehicles as SUVs.

Its outside looks changes include repositioned fog lights, varied headlights, refigured under-bumper air intakes, matte silver inserts in the front chin spoiler and lower rear valance, restyled tail lights, refigured exhaust tips.

The X5 is basically a SUV, though, and the 2011 model year witnessed a model refurbishment that involves a new inline-six cylinder (I6) engine, a V8 engine transplant from the X6.

In addition, it shows an unceasing application of the X5 diesel powerplant, with a new-for-X5 eight-speed automatic transmission system for gasoline-powered models.

The $74,300 BMW X5 xDrive50i, the flagship X5, now comes with the 4.4-litre engine introduced in the X6 in 2008.

Introducing a 400 horsepower and 450 pound-feet of torque capacity, horsepower is raised by 14 per cent from 350 hp, and torque is made up by 28 per cent, from 350 lb.-ft. in the outgoing 4.8-litre engine.

Looking form the mechanical prospect; the 2011 X5 is highly better choice than the model it replaces. 2011 BMW X5 models will hit the stores on sale in May, 2010.