51 Used Audi RS6 cars for sale

Every RS6 comes with a petrol engine, an automatic transmission and four-wheel drive.

• Newer models have a 4.0-litre engine that outputs 621bhp to hit 60mph in 3.2 seconds with a top speed of 174mph.
• Combined efficiency rating is 23.0mpg with CO2 emissions of 279g/km.
• 591bhp variant hits 0-60mph in 3.5 seconds with a fuel economy rating of 22.6mpg.
• Older models included a 4.0-litre that could produce between 552bhp and 596bhp, with the former reaching 28mpg and the latter hitting 29mpg.
• A 5.0-litre was also available with a 571bhp output and a slightly optimistic 20mpg fuel economy rating.

The design of the Audi RS6 makes it extremely practical, with plenty of room for passengers and cargo alike.

• Front seats offer numerous adjustments for an extremely comfortable experience.
• Three adults can fit in the back, even if they are tall.
• ISOFIX points for installing child seats are standard in the rear and available for the front passenger seat.

• 565-litre boot capacity is huge, more than the BMW M5.
• With the rear seats folded, the boot opens up to 1,680 litres.
• Boot opening allows for loading larger items.

• A limited number of saloons were built, but they are difficult to find among used cars.
• Most RS6 models are estates with an elongated body.

• While the RS6 wasn't tested by Euro NCAP, the A6 received a perfect five-star rating.
• Standard kit includes automatic emergency braking and several airbags.
• Available equipment includes adaptive cruise control and lane keep assist.

• Newer models include three digital system screens, one 12.0-inch driver display and two screens on the dashboard.
• Upper dash controls satnav and smartphone mirroring through Apple CarPlay or Android Auto.
• Available Bang & Olufsen sound system.