Whether that's the case here is unclear, meaning this could be a seriously amped-up Audi S6 sedan. However, our spy sources believe this is really a test mule for the next-generation RS7 ...

Audi Sport’s ultimate performance car will return in 2025 with a split personality, launching as an RS6 e-Tron available as a Sportback and Avant estate as well as an RS7 that uses combustion power.