Andre Lotterer drives the Group B Audi S1 - Octane magazine

Le Mans winner Andre Lotterer grew up dreaming of the Group B Audi Quattro. But he never imagined he'd be let loose in its ultimate evolution, the legendary S1, on the challenging roads of the Sanremo rally stages. Read the full story in the latest issue of Octane: http://www.classicandperformancecar.com/news/octanenews/288382/octane_april_2013.html