2021 Audi A6 Saloon 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 2.0 40 TFSI S Line S tronic FWD Euro 6 4dr (201 bhp)
• Year: 2021
• Mileage: 16,206 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A6 Saloon S Line has covered 16,206 miles, around 38,600 fewer miles than is typical for its age. The dealer is asking £20,985, which is £1,686 below the AskCar estimate of £22,671. To work out the AskCar estimate, we analyse UK dealer adverts for 872 Audi A6 Saloon cars across different ages and specifications. We first recorded this advert 83 days ago, and its asking price has since fallen by £1,465. The government's MOT record matches its advertised mileage. It is advertised by IM Car Supermarket in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,686 (7%) under the AskCar estimate of £22,671.

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 872 priced Audi A6 Saloon adverts across different ages and specifications, as of 7 November 2026.

A 2021 Audi A6 Saloon with the 2.0 petrol engine is typically advertised at £18,700: the median of the 79 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Audi A6 Saloon has been on sale for at least 83 days.

Price history

AskCar first saw this advert on 16 August 2026 at £22,450. Its asking price is now £20,985, £1,465 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 16 August 2026: £22,450
• 5 September 2026: £21,985
• 3 October 2026: £21,485
• 3 November 2026: £20,985

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 11 August 2027.

It has had 3 MOTs. The latest, on 12 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 16,262 miles, which matches the advertised 16,206 miles.

Advertised mileage is about 38,600 miles lower than the median mileage of a 2021 Audi A6 Saloon on AskCar.

Similar cars

2 other 2021 Audi A6 Saloon S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £18,990 to £19,995, as of 7 November 2026.

The 2 closest to this car in mileage:

• 2021 Audi A6 Saloon S Line, 2.0 petrol saloon, grey. Mileage: 38,495 miles. Price: £19,995, £990 less than this car. Dealer: Western Auto Solutions in West Drayton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-5d2dddf84334
• 2021 Audi A6 Saloon S Line, 2.0 petrol saloon, grey. Mileage: 39,473 miles. Price: £18,990, £1,995 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-2deb5160c378