831 PS Audi RS6 Avant

As standard, the now discontinued Audi RS6 Avant came with a BMW M5-beating 571 bhp (426 kW / 579 PS) from its 5.0 litre twin-turbo V10 engine.


But now a couple of UK tuners have gotten together to raise that to a massive 819 bhp (611 kW / 831 PS), also increasing torque by over 50% to 977 Nm (720 lb/ft) in the process.

Dorset-based Turbo Dynamics is responsible for fettling the turbochargers, while MRC Tuning of Banbury adds a Stage 3 remap for the ECU, a new fuelling kit, 3” down pipes and revised air intakes.


The result is a 0-60 mph (96 km/h) time of just 3.6 seconds, plus an electronically limited top speed of 217.5 mph (350 km/h).

For anyone tempted to get hold of a used RS6 to convert, there are currently over twenty examples listed on Auto Trader. Prices start at just under £47,000.

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