Reviews
2008 Audi RS6 Avant vs BMW M5 vs Mercedes-Benz E63 AMG comparison review: classic MOTOR
Apr 19, 2019 ... The new RS6 is blessed with 426 metric big ones. Yep, 426kW – flat from 6250 to 6700rpm. That's 580hp in the old currency, backed up by 650Nm spread across the ...