Jeremy Clarkson once said in A Scandi Flick episode "I will be the first to admit that most fast Audis were a bit...hopeless. But just occasionally they come up with a gem💎. There was the original 20 Valve Quattro, the R8 obviously, the TT RS and this...The 2007 RS4. 3 best engines ever made in my book are Lexus V10, Alfa Romeo's V6 and this, Audi's 4.2 Litre Naturally Aspirated 414 Horsepower V8."