Sport and luxury are showcased in the A4, Audi's best-selling sedan. The A4 has been in production since mid-1990s, and the current B9 generation ... and optional front-crash prevention systems ...

The fourth-generation (also called the B8) of Audi’s A4 launched for 2009 with new looks ... and some units were offered in front-wheel drive. A manual transmission was available, though ...