2018 Audi S6 Avant 4.0 TFSI V8

Price: £22,550.

AskCar lists 24 used Audi S6 Avant from 23 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: S6 Avant
  • Version: 4.0 TFSI V8 S tronic 4WD Euro 6 (s/s) 5dr (444 bhp)
  • Year: 2018
  • Mileage: 81,119 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 4.0 litres, 444 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 224 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi S6 Avant is advertised with 81,119 miles on the clock. The asking price is now £640 lower than when we first recorded the advert 100 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Vauxhall Bedford, based in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Time on sale

This 2018 Audi S6 Avant has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 29 July 2026 at £23,190. Its asking price is now £22,550, £640 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 29 July 2026: £23,190
  • 31 July 2026: £23,490
  • 10 August 2026: £23,350
  • 25 August 2026: £23,180
  • 8 September 2026: £23,110
  • 16 September 2026: £23,040
  • 22 September 2026: £22,970
  • 29 September 2026: £22,900
  • 7 October 2026: £22,830
  • 13 October 2026: £22,760
  • 20 October 2026: £22,690
  • 27 October 2026: £22,620
  • 4 November 2026: £22,550

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 27 May 2027.

It has had 6 MOTs. The latest, on 5 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,219 miles, which matches the advertised 81,119 miles.

Browse all Audi S6 Avant cars for sale · 2018 Audi S6 Avant price guide

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Photos

18 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.