2021 Audi A6 Saloon

2.0 40 TFSI S Line S tronic FWD Euro 6 4dr (201 bhp)

£19,995

Fair price: within 8% of the typical £20,971 for this model, age and mileage, drawing on 857 adverts of this make and model.

Overview

Make
Audi
Model
A6 Saloon
Trim
S LINE
Version
2.0 40 TFSI S Line S tronic FWD Euro 6 4dr (201 bhp)
Mileage
38,495 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
163 g/km
Colour
Grey
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2021 Audi A6 Saloon S Line has covered 38,495 miles, around 17,200 fewer than typical for its age. At £19,995, it is advertised £976 below our estimated market asking price of £20,971. To estimate its market asking price, we analyse UK dealer adverts for 857 Audi A6 Saloon cars across different ages and specifications. We first saw this car advertised 114 days ago. Its asking price has since fallen by £1,000. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 23 November 2026. The advertised mileage is consistent with the latest MOT reading. It is advertised by Western Auto Solutions in Slough.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 July 2026, 114 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £1,000 from the first recorded £20,995. 4 price reductions recorded, the latest observed on 23 September 2026.

Recorded asking prices
Date observedAsking price
2 July 2026£20,995
10 July 2026£20,995
29 July 2026£21,795
7 August 2026£21,495
8 August 2026£21,495
20 August 2026£20,995
4 September 2026£20,495
16 September 2026£20,495
23 September 2026£19,995
23 October 2026£19,995

Price and mileage comparison

Estimated market asking price: £20,971. The asking price is £976 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 857 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 17,200 miles lower than typical for a 2021 Audi A6 Saloon.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 November 2026. 29,370 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £18,990 to £18,990.

Other matching cars
Asking priceMileage
£18,99039,473 miles

These cars have covered 39,473 miles, compared with 38,495 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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