2018 Audi S6 Avant 4.0 TFSI V8

Price: £26,500.

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: 62,796 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 4.0 litres, 444 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 224 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi S6 Avant has covered 62,796 miles. The asking price is now £200 lower than when we first recorded the advert 42 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Select Bristol, based in Bristol. 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 42 days.

Price history

AskCar first saw this advert on 25 September 2026 at £26,700. Its asking price is now £26,500, £200 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 25 September 2026: £26,700
  • 24 October 2026: £26,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 22 March 2027.

It has had 6 MOTs. The latest, on 23 March 2026, passed.

Advisories at the latest test: front brake disc worn, but not excessively both discs; rear brake disc worn, pitted or scored, but not seriously weakened both discs; rear brake pad(s) wearing thin.

Mileage at that test: 58,278 miles, which matches the advertised 62,796 miles.

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

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Photos

31 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.