2020 Audi A6 Saloon 2.0 TDI S Line
Price: £13,595. Fair price: £655 (5%) over the AskCar estimate of £12,940, 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 FWD Euro 6 4dr 40 (201 bhp)
- Year: 2020
- Mileage: 111,302 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 142 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A6 Saloon S Line is advertised with 111,302 miles, approximately 53,400 above the typical mileage for its age. Its asking price of £13,595 is £655 above the AskCar estimate of £12,940. The AskCar estimate uses UK dealer asking prices, including 874 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 27 days ago. Its asking price has since fallen by £400. We checked its advertised mileage against the government's MOT record, and they match. The seller is J & S Manchester Car Sales, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £655 (5%) over the AskCar estimate of £12,940.
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 27 days.
Price history
AskCar first saw this advert on 8 October 2026 at £13,995. Its asking price is now £13,595, £400 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 8 October 2026: £13,995
- 27 October 2026: £13,595
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 July 2027.
It has had 5 MOTs. The latest, on 20 July 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; offside rear tyre slightly damaged/cracking or perishing.
Mileage at that test: 110,142 miles, which matches the advertised 111,302 miles.
Advertised mileage is about 53,400 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 £13,995 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: 121,848 miles. Price: £13,995, £400 more than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-0dd4fc2c3a20
- 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 85,942 miles. Price: £16,950, £3,355 more 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, silver. Mileage: 80,000 miles. Price: £17,950, £4,355 more than this car. Dealer: Drive House UK in Gateshead. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-9a9771e536b3
- The nearest: 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, black, 5 miles from this car. Mileage: 38,780 miles. Price: £18,900, £5,305 more than this car. Dealer: Swansway Garages in Stockport. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-577f01eff1fb
Browse all Audi A6 Saloon cars for sale · 2020 Audi A6 Saloon price guide
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Photos
35 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.