Audi A4 is very firmy united executive car and its manufacturer are German. It is based on Volkswagen Group B Platform. The A4 is available as a sedan and station wagon. It has five valve per cylinder.
Audi A4 comes with a new, smoother and more powerful which produces best in acceleration.It stopped from 60mph in 99 feet-that gives supercar territory. The A4 has dynamic weak point. A4 seats in general offer are very nice and adjustable.