The BMW X5 M is a powerful version of the X5 family SUV with the acceleration of a sports car With a twin-turbocharged 4.4-litre petrol V8, it has 567bhp and gets from 0-62mph in 4.2 seconds This makes it quicker off the mark than a Range Rover Sport SVR It's also just 0.1 seconds behind the Porsche Cayenne Turbo S, and has a top speed limited to 155mph Adaptive M suspension, 20-inch wheels with huge tyres and four-wheel-drive harness its power Despite its performance, the BMW X5 M is almost as practical as the regular version Fuel consumption of just 25mpg and a 37% Benefit-in-Kind rating make the X5 M expensive to run An aggressive bodykit and standard LED headlights help set the X5 M apart from other versions The X5 M gets Merino leather upholstery as standard, along with black headlining The infotainment system is controlled with the intuitive iDrive system and offers connected services Enhanced brakes sit behind huge 20-inch alloy wheels, providing ample stopping power The iconic BMW kidney grille gets an M badge just in case bystanders don't hear the quad exhaust Adaptive LED headlights automatically adjust for oncoming traffic and different driving conditions Quad exhaust pipes emit a sound not many people expect from a two-tonne SUV Unique door mirrors help reduce aerodynamic drag and give the X5 M a distinctive look