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: 121,848 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 has covered 121,848 miles, around 63,900 more miles than is typical for its age. The AskCar estimate for this car is £12,106. It is priced at £13,995, which is £1,889 above that estimate. The AskCar estimate draws on 874 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 85 days ago, the asking price has dropped by £1,000. Our latest MOT record expired on 13 October 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is for sale at Magna Motor Group in Warrington. 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: £1,889 (15%) over the AskCar estimate of £12,106.

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 85 days.

Price history

AskCar first saw this advert on 11 August 2026 at £14,995. Its asking price is now £13,995, £1,000 less. The latest price cut was seen on 6 September 2026.

Price changes recorded:

• 11 August 2026: £14,995
• 22 August 2026: £14,500
• 3 September 2026: £14,250
• 6 September 2026: £13,995

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 13 October 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 14 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 116,716 miles, which matches the advertised 121,848 miles.

Advertised mileage is about 63,900 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: 111,302 miles. Price: £13,595, £400 less than this car. Dealer: J & S Manchester Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-59e4419d77e7
• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 85,942 miles. Price: £16,950, £2,955 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, £3,955 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, grey, 11 miles from this car. Mileage: 55,712 miles. Price: £18,440, £4,445 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