2020 Audi A6 Saloon 2.0 TDI S Line

Price: £17,950. Above the going rate: £1,646 (10%) over the AskCar estimate of £16,304, our expected asking price for this car from its model, age, mileage and specification, drawing on 874 priced Audi A6 Saloon adverts on AskCar as of 4 November 2026.

AskCar lists 905 used Audi A6 Saloon from 660 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A6 Saloon
  • Trim: S Line
  • Version: 2.0 TDI S Line S tronic Euro 6 4dr (201 bhp)
  • Year: 2020
  • Mileage: 80,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Colour: Silver
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 80,000 miles, this 2020 Audi A6 Saloon S Line has covered about 22,100 more miles than other 2020 Audi A6 Saloon cars. Priced at £17,950, it is advertised £1,646 above the AskCar estimate of £16,304. The AskCar estimate uses 874 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 11 days. Its advertised mileage matches the government's MOT record. It is advertised by Drive House UK in Gateshead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,646 (10%) over the AskCar estimate of £16,304.

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 874 priced Audi A6 Saloon adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,000: the median of the 56 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A6 Saloon has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 24 October 2026 at £17,950. 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 4 November 2026: valid until 3 December 2026.

It has had 3 MOTs. The latest, on 4 December 2025, passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 72,925 miles, which matches the advertised 80,000 miles.

Advertised mileage is about 22,100 miles higher than the median mileage of a 2020 Audi A6 Saloon on AskCar.

Similar cars

17 other 2020 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £13,595 to £21,999, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 85,942 miles. Price: £16,950, £1,000 less than this car. Dealer: Eakin Brothers in Londonderry. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-8ee7647a4319
  • 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 57,881 miles. Price: £18,295, £345 more than this car. Dealer: Cars2 Geely Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-353ca065a3de
  • 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 56,690 miles. Price: £18,089, £139 more than this car. Dealer: cinch in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-12a72e4d117e

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

More like this

Photos

29 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.