Audi A6 the larger Audi Q7, but air suspension is an expensive option in the Q7. In its native country, Germany, it cost a few hundred Euros less than the Q7. In 2005, the A6 won the "World Car of the Year" award, and has also won the "Practical Caravan" "Towcar of the Year" awards, due to its array of towing features such as adjustable suspension height and damping, and the presence of a 123 Trailer Stability Programme. Audi unveiled a facelifted "C6" Audi A6 on 12 August 2008, at the Moscow International Motor Show. The refresh incorporates some modern Audi design
Audi S4 as the performance version of the newly updated C4 platform 100 four-door, five-seat saloon. It was designed to replace the outgoing C3 based Audi 200 quattro turbo, which had been Audi's first true sports-saloon and had been discontinued at the end of 1990. Being the first S4 model from Audi, it is commonly referred to as the , derived from the augmentive word (meaning: original). Audi mildly updated the C4-based model line in 1994 and dropped the 100 nomenclature; all variants of the former Audi 100 line were now re-badged as the Audi A6. In line with the switch in