The engine in the 2009 Audi RS6 is essentially identical to the V-10 model that powers the S6, with the exception of twin turbochargers and direct injection. The changes add up to a class-leading 580 ...

BMW might like to disagree, given its V10 M5, but it's hard to disagree with Audi when you look at the spec sheet that includes a twin-turbo V10 engine, quattro all-wheel drive and Audi's dynamic ride ...

When Audi first announced the RS7 Dynamic Edition back in 2014, it used to command a $40,000 premium over the standard RS7 and go for nearly $150,000! Of course, one could wait for depreciation to ...