Compared to a BMW X5 xDrive50i, a host of upgrades are found on the 2012 X5 M including self-leveling M sport suspension, M Servotronic power steering, quad tailpipes and V Spoke, 20-inch alloy wheels. A turbocharged 4.4 liter V-8 engine is found under the hood of the 2012 BMW X5 M producing 547 horsepower. Electronically limited to a 155 mile per hour top speed, the 2012 BMW X5 M accelerates from 0 to 60 miles per hour in only 4.5 seconds. Featuring gasoline direct injection, fuel economy for the 2012 X5 M is formidable for a high performance sport utility vehicle achieving 13 miles per gallon city and 18 miles per gallon highway. Xenon headlamps, 14-way power front seats with 3-stage heated control, DVD-based navigation system and a 16-speaker stereo system is standard equipment on the 2012 BMW X5 M. An interior which seats 5 passengers in extended Merino leather, special M door sill and a brushed aluminum trim compliments sport as well as luxury desires. A number of optional equipment groupings including the Driver Assistance Package or Entertainment Package allows the 2012 BMW X5 M gain items as such a 6-disc CD charger and a heads-up display system.