It’s hard to believe I could make such a claim; that there would be unappreciated Audi S models. Even more surprising is that they’re recently produced. But the truth is neither of these cars grabbed the headlines of their bigger brothers – while the S8, RS4 and Europe-only C6 RS6 stole the show for Audi, in the background were two very competent, very fast and very luxurious cars that not many chose to buy. These truly are cars that would have been enthusiasts’ dream rides only a decade earlier – the C6 S6, with its sleek body hiding a Lamborghini-derived V10 that was modified to produced more useable torque, and the B7 S4 – the last run of the great 4.2 V8 and arguably the best looking since the original S4, punting 340 horsepower though a great 6-speed manual. Today, 7 years later, you can pick up one of these super sedans for around the entry-level price of a Volkswagen Golf. Simply amazing. Let’s look at the S6 first: