Covering a majority of the sedan market already with their A4, A6 and A8 models Audi has done it again with their A3 sedan concept. Having already taken a share of the full-size and mid-size markets, the A3 concept is being aimed at the compact car segment. Borrowing the 2.5-liter turbo motor from the RS3 pumping out 408-horsepower and 369 pound-feet of torque which helps get the 3400 pound A3 from 0-60 in 4.1 seconds. (Faster than the current S4 sedan we might add.) As the current A3 is due for a face-lift we should see the A3 concept on the road by mid-2013.