Car Moon

It really all comes down to simple arithmetic. Audi wants to add another subcompact model to its range. It already has the A1 supermini and the A3 compact hatch, so if you subtract 1 from 3, you get 2. Add an 'A' up front and voila; you have the return of the A2 nameplate.

"There's clearly room for another product and another concept between the A3 and A1," Audi CEO Rupert Stadler told journalists on the sidelines of the 2010 Geneva Motor Show.