2018 Audi RS6 Avant 4.0 TFSI V8 Performance

Overview

• Make: Audi
• Model: RS6 Avant
• Trim: Performance
• Version: 4.0 TFSI V8 Performance Tiptronic 4WD Euro 6 (s/s) 5dr (597 bhp)
• Year: 2018
• Mileage: 65,225 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 4.0 litres, 597 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi RS6 Avant Performance has covered 65,225 miles. The AskCar estimate for this car is £45,269. It is priced at £41,995, which is £3,274 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 274 Audi RS6 Avant cars across different ages and specifications. It first appeared in our advert records 18 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Supercar Clinic in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,274 (7%) under the AskCar estimate of £45,269.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 274 priced Audi RS6 Avant adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2018 Audi RS6 Avant has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 18 October 2026 at £41,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 17 August 2027.

It has had 7 MOTs. The latest, on 18 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 64,885 miles, which matches the advertised 65,225 miles.

Similar cars

5 other 2018 Audi RS6 Avant Performance 4.0 petrol automatic estates are for sale at UK dealers, from £39,995 to £55,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi RS6 Avant Performance, 4.0 petrol estate, grey. Mileage: 64,000 miles. Price: £39,995, £2,000 less than this car. Dealer: Panacea Motors in Bury. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-e4f9c3c28782
• 2018 Audi RS6 Avant Performance, 4.0 petrol estate, blue. Mileage: 67,005 miles. Price: £45,995, £4,000 more than this car. Dealer: Supercar Clinic in Bolton. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-0875d568e39f
• 2018 Audi RS6 Avant Performance, 4.0 petrol estate, grey. Mileage: 57,000 miles. Price: £47,980, £5,985 more than this car. Dealer: Banbury Motors in Banbury. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-d934fd8e080a