2020 Audi A6 Saloon 2.0 TFSIe S Line

Price: £16,495. Fair price: £605 (3%) under the AskCar estimate of £17,100, our expected asking price for this car from its model, age, mileage and specification, drawing on 875 priced Audi A6 Saloon adverts on AskCar as of 6 November 2026.

AskCar lists 906 used Audi A6 Saloon from 664 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: A6 Saloon
  • Trim: S Line
  • Version: 2.0 14.1kWh TFSIe 50 S Line S tronic 4WD Euro 6 (s/s) 4dr (295 bhp)
  • Year: 2020
  • Mileage: 85,000 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 295 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 36 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 85,000 miles, this 2020 Audi A6 Saloon S Line has covered about 27,700 more miles than other 2020 Audi A6 Saloon cars. Its asking price of £16,495 is £605 below the AskCar estimate of £17,100. The AskCar estimate uses UK dealer asking prices, including 875 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Sumners Motor Co, based in Wickford. 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

Price

Fair price: £605 (3%) under the AskCar estimate of £17,100.

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 875 priced Audi A6 Saloon adverts across different ages and specifications, as of 6 November 2026.

A 2020 Audi A6 Saloon with the 2.0 plug-in hybrid engine is typically advertised at £18,000: the median of the 61 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 Audi A6 Saloon advertised today. About half of 2020 Audi A6 Saloon cars are gone from sale within a month of being advertised: 31 of the 64 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £16,495. 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 6 November 2026: valid until 21 October 2027.

It has had 6 MOTs. The latest, on 20 October 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 83,893 miles, which matches the advertised 85,000 miles.

Advertised mileage is about 27,700 miles higher than the median mileage of a 2020 Audi A6 Saloon on AskCar.

Similar cars

2 other 2020 Audi A6 Saloon S Line 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £15,995 to £19,499, as of 6 November 2026.

The 2 closest to this car in mileage:

  • 2020 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, grey. Mileage: 89,000 miles. Price: £15,995, £500 less than this car. Dealer: Sapphire Automotive in High Wycombe. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-069e97a04f0b
  • 2020 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, silver. Mileage: 56,000 miles. Price: £19,499, £3,004 more than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-9af2984d63d0

Browse all Audi A6 Saloon cars for sale · 2020 Audi A6 Saloon price guide

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Photos

48 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.