Development of the A3 sedan is well underway and will likely go on sale in 2012 as a 2013 model.
The sedan will, of course, share a front-drive-oriented platform with its Volkswagen brethren, although Audi will be pushing Quattro pretty hard. Expect power to come from a transversely mounted and more powerful version of the familiar 2.0-liter turbo four-cylinder. And the A3 sedan will be roughly the same size as the old A4 from 1994-’97, the so called B5 generation.
Source: Inside Line