2011 Audi A7 Sportback Specifications and Price: The 2011 Audi A7 is a big car at 4.97m long and 1.91m wide, with a 2.91m wheelbase. It’s sits 4 cm lower than the A8 limo and the overall size is between the current generation A6 and the A8. Weight is reduced via the extensive use of aluminum and “high-tech steels”. A 2WD A7 weighs in at 1,695 kg, which makes it lighter than a Mercedes CLS. The Audi’s 535-litre boot can be upped to 1,390 litres by folding the rear seats.