There are very few small Audi cars. many Audi cars are heavy, smart and luxury. but according to the market they launched a new car, Audi E1. it's a small and very fuel efficient car which has 600cc engine or 1200cc engine. Audi E1 also called as the baby. even this is a small car E1 is a very luxury car. also Audi going to launch the hybrid version of this car in year 2011.