2020 Audi A6 Saloon 2.0 TDI S Line

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: 57,881 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

The advertised mileage for this 2020 Audi A6 Saloon S Line is 57,881 miles. Its asking price of £18,295 is £180 below the AskCar estimate of £18,475. The AskCar estimate draws on 874 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. Our latest MOT record expired on 28 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cars2 Geely Wakefield, based in Wakefield. 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

Fair price: £180 (under 1%) under the AskCar estimate of £18,475.

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

AskCar first saw this 2020 Audi A6 Saloon advertised 1 day ago. About half of 2020 Audi A6 Saloon cars are gone from sale within a month of being advertised: 32 of the 63 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £18,295. 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: the latest record we hold ran out on 28 October 2026; ask the dealer for the current MOT.

It failed its MOT on 24 October 2025 (nearside front headlamp aim too low; offside front headlamp aim too low) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 48,816 miles, which matches the advertised 57,881 miles.

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: 56,690 miles. Price: £18,089, £206 less than this car. Dealer: cinch in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-12a72e4d117e
• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 55,712 miles. Price: £18,440, £145 more than this car. Dealer: Dace Specialist Car Centre Manchester - Trading Standards Approved in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-5b8c11767928
• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 55,000 miles. Price: £19,495, £1,200 more than this car. Dealer: SD Vehicles in Nuneaton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-9ddb5ce985e9

• The nearest: 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 32 miles from this car. Mileage: 111,302 miles. Price: £13,595, £4,700 less than this car. Dealer: J & S Manchester Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-59e4419d77e7