2018 Audi RS6 Avant 4.0 TFSI V8 Performance

Price: £43,995. Fair price: £2,858 (6%) under the AskCar estimate of £46,853, our expected asking price for this car from its model, age, mileage and specification, drawing on 274 priced Audi RS6 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 281 used Audi RS6 Avant from 208 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: RS6 Avant
  • Trim: Performance
  • Version: 4.0 TFSI V8 Performance Tiptronic 4WD Euro 6 (s/s) 5dr
  • Year: 2018
  • Mileage: 48,000 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 4.0 litres
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 223 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi RS6 Avant Performance is advertised with 48,000 miles on the clock. The dealer is asking £43,995, which is £2,858 below the AskCar estimate of £46,853. To work out the AskCar estimate, we analyse UK dealer adverts for 274 Audi RS6 Avant cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 103 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Driven Motor Company in Glasgow. 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: £2,858 (6%) under the AskCar estimate of £46,853.

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 103 days.

Price history

AskCar first saw this advert on 25 July 2026 at £44,995. Its asking price is now £43,995, £1,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 25 July 2026: £44,995
  • 2 September 2026: £44,795
  • 24 September 2026: £44,295
  • 27 October 2026: £43,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 February 2027.

It has had 7 MOTs. The latest, on 21 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,564 miles, which matches the advertised 48,000 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: 57,000 miles. Price: £47,980, £3,985 more than this car. Dealer: Banbury Motors in Banbury. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-d934fd8e080a
  • 2018 Audi RS6 Avant Performance, 4.0 petrol estate, grey. Mileage: 64,000 miles. Price: £39,995, £4,000 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, grey. Mileage: 65,225 miles. Price: £41,995, £2,000 less than this car. Dealer: Supercar Clinic in Bolton. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-85d5ca998305
  • The nearest: 2018 Audi RS6 Avant Performance, 4.0 petrol estate, blue, 170 miles from this car. Mileage: 67,005 miles. Price: £45,995, £2,000 more than this car. Dealer: Supercar Clinic in Bolton. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2018-0875d568e39f

Browse all Audi RS6 Avant cars for sale · 2018 Audi RS6 Avant price guide

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Photos

55 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.