Spy Shots: Next-gen Audi S8 may boast 620 HP from Lambo-derived V10

2011 Audi S8 – Click above for high-res image gallery

When the Audi S8 was nixed from the automaker’s lineup late last year, the news produced a collective sigh around Autoblog Towers. Audi’s largest, most powerful sedan held a special place in our hearts, but redemption appears to be right around corner – the N