The 2011 BMW 335i is a sports sedan with a 3.0-liter single-turbo engine, double overhead cam (DOHC), and 300 horsepower at 5,800 rpm. It has a top speed of 130 mph on regular models and 150 mph on models with the Sport package. The 2011 335i has improved EPA mileage from 17 mpg in the city and 26 mpg on the highway to 19/28. Here are some more insights from reviews: Pros Great handling Supple ride Fantastic to drive Cons Not as luxurious as previous E60 5 series N55 engine is more reliable than the n54, but less tunable Problems can be expensive