The Audi RS6 Avant is already insanely powerful, but a tune from ABT Sportsline promises to take the standard V8 from 552hp and 516lb-ft of torque to 720hp and 920Nm of peak torque. It will have a top speed of 320km/h.

ABT says it mounted a new control unit to the engine along with a specially adapted stainless steel exhaust system, including a Y-pipe and sport-type catalytic converter.

The "R" package will get you a height adjustable spring kit and massive 22 inch ABT DR-style alloy wheels wrapped in Dunlop high-performance tires and an assortment of aero parts made of exposed red carbon. It will have a front spoiler lip with blades, air inlet covers, side skirt attachments with blades and a roof spoiler.

We'll see the new ABT RS6-R for the first time at the Geneva Motor Show.