The 2011 Audi A4 is a 4-door, 5-passenger luxury sedan, or luxury wagon, available in 4 trims, ranging from the 2.0T Premium Sedan FrontTrak Multitronic to the 2.0T Premium Avant quattro Tiptronic.The 2011 Audi A4 introduction, the 2.0T Premium Sedan FrontTrak Multitronic is equipped with a standard 2.0-liter, I4, 211-horsepower, turbo engine that achieves 22-mpg in the city and 30-mpg on the highway. A variable speed automatic transmission with overdrive is standard. The 2.0T Premium Avant quattro Tiptronic is equipped with a standard 2.0-liter, I4, 211-horsepower, turbo engine that achieves 21-mpg in the city and 29-mpg on the highway. A 8-speed automatic transmission with overdrive is standard. The 2011 Audi A4 ranks 10 out of 21 Upscale Midsize Cars. This ranking is based on our analysis of 23 published reviews and test drives of the Audi A4, and our analysis of reliability and safety data.