With all that in mind, let's have a squint at the standard C7 RS6 as a buying proposition. Prices start at around £35,000 for a 2014 or pre-facelift 2015 car with 50-70,000 miles up.

The pictured Audi RS6 sedan was built by Ado X Performance which is no stranger to similar projects. The project is a follow-up to the custom Audi RS6 C7 sedan, which was completed a few years ago.

The first RS6, new for the C5 generation, uses a twin-turbo V8, the C6 gen got a naturally aspirated V10, and the model returned to a twin-turbo V8 for the C7 and C8 generations, which also ...

Audi RS6 Avant Performance GT is #367 of 660 units ever made and one of just 85 examples allocated for the United States ...

For reference, the stock RS6 C7 produced 553 hp (412 kW / 560 PS) and 700 Nm (516 lb-ft) of torque, while the RS6 Avant Performance got a healthier 597 hp (445 kW / 605 PS) and 750 Nm (553 lb-ft).

Used Audi RS6 Avant (C7, 2013 - 2019) review, specs and buying guide – family-friendly supercar slayer from £20k Audi’s C7-generation RS6 may lack ultimate involvement, but it’s still a ...

The only C7 RS6 sedan in the world belongs to @ronicollins and was fabricated by Bjorn Werks. About half a year ago, this was a pre-facelift S6 sedan. It was stripped down and fitted with all the ...

Incidentally, the stock Audi RS6 Avant tops out at 189 mph. See All 22 Photos The regular model is a meaty piece of kit, blessed with 560 hp and 516 lb-ft of torque coming from its 4.0L twin ...

But if it’s any consolation, the C7 was 120kg lighter than its predecessor, thanks to increased use of aluminium and the fact it wasn’t lugging an entire 5.0-litre twin-turbo V10 up front.

With all that in mind, let's have a squint at the standard C7 RS6 as a buying proposition. Prices start at around £35,000 for a 2014 or pre-facelift 2015 car with 50-70,000 miles up.