While a one-off RS8 prototype of the previous-generation (D4 series) A8 was created in 2013, it never went into production, as we understand there just wasn't enough demand for that sort of ...

The A8 was available in its long wheelbase guise ... With Audi having vacated the flagship limousine segment, this space is now left to just the Mercedes-Benz S-Class and BMW 7 Series/i7.