2020 Audi A6 Saloon 2.0 TDI S Line
Price: £19,750. Fair price: £169 (under 1%) under the AskCar estimate of £19,919, our expected asking price for this car from its model, age, mileage and specification, drawing on 858 priced Audi A6 Saloon adverts on AskCar as of 2 November 2026.
AskCar lists 886 used Audi A6 Saloon from 654 UK dealerships, as of 2 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: 43,500 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 142 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 43,500 miles, this 2020 Audi A6 Saloon S Line has covered about 13,800 fewer miles than other 2020 Audi A6 Saloon cars. The AskCar estimate for this car is £19,919. It is priced at £19,750, which is £169 below that estimate. The AskCar estimate draws on 858 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Swansway Garages Stoke Audi, based in Stoke on Trent. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £169 (under 1%) under the AskCar estimate of £19,919.
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 858 priced Audi A6 Saloon adverts across different ages and specifications, as of 2 November 2026.
A 2020 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,000: the median of the 53 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 Audi A6 Saloon has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 21 October 2026 at £19,750. 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 2 November 2026: valid until 17 October 2027.
It has had 5 MOTs. The latest, on 17 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 43,247 miles, which matches the advertised 43,500 miles.
Advertised mileage is about 13,800 miles lower than the median mileage of a 2020 Audi A6 Saloon on AskCar.
Similar cars
16 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 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 45,420 miles. Price: £14,990, £4,760 less than this car. Dealer: B&T Autos in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-ca2265063467
- 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 47,106 miles. Price: £19,890, £140 more than this car. Dealer: Stratstone Halesowen Audi in Halesowen. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-949f411cd867
- 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 38,780 miles. Price: £18,900, £850 less 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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- Used Audi A6 Saloon for sale near Stoke-on-Trent
Photos
59 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.