At a MSRP price of $85,700, the 2010 BMW M5 is a high performance luxury sedan. This extravagant sedan contains a 5-liter V10 that is based on BMW’s F1 engine. It is a powerful car that delivers 500 horsepower and 383 pound-feet of torque. It is can accelerate from 0 to 60 mph in 4.5 seconds and has a top speed of 155 mph. The fuel efficiency of the M5 is 17 mph on the highway and 11 mpg in city.