2021 Audi A6 Avant

2.0 45 TFSI 265 S Line S tronic 4WD Euro 6 5dr (261 bhp)

£21,999

Good value: £3,048 under the typical £25,047 for this model, age and mileage, drawing on 775 adverts of this make and model.

Overview

Make
Audi
Model
A6 Avant
Trim
S LINE
Version
2.0 45 TFSI 265 S Line S tronic 4WD Euro 6 5dr (261 bhp)
Mileage
51,360 miles
Year
2021
Fuel type
Petrol
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
261 bhp
Seats
5
CO2
179 g/km
Colour
Silver
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2021 Audi A6 Avant S Line is advertised with 51,360 miles on the clock. Our estimated market asking price is £25,047. This car is advertised at £21,999, which is £3,048 below that figure. We use UK dealer asking prices, including 775 Audi A6 Avant listings, and account for the car’s age, mileage and specification. The asking price is now £2,300 lower than when we first recorded the advert 87 days ago. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 23 December 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is Fords Of Winsford Car Supermarket, based in Winsford.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 July 2026, 87 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £2,300 from the first recorded £24,299. 15 price reductions recorded, the latest observed on 12 October 2026.

Recorded asking prices
Date observedAsking price
28 July 2026£24,299
29 July 2026£24,499
8 August 2026£24,399
9 August 2026£24,399
13 August 2026£24,199
14 August 2026£24,199
16 August 2026£23,899
20 August 2026£23,799
23 August 2026£23,699
1 September 2026£23,499
4 September 2026£23,599
8 September 2026£23,299
17 September 2026£23,099
20 September 2026£22,699
21 September 2026£22,499
25 September 2026£22,099
28 September 2026£21,999
1 October 2026£21,899
4 October 2026£21,799
6 October 2026£21,999
12 October 2026£21,899
17 October 2026£21,999
22 October 2026£21,999

Price and mileage comparison

Estimated market asking price: £25,047. The asking price is £3,048 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 300 miles lower than typical for a 2021 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 December 2026. 46,234 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £21,695 to £23,445.

Other matching cars
Asking priceMileage
£21,69550,250 miles
£23,44533,453 miles

These cars have covered 33,453–50,250 miles, compared with 51,360 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 Avant cars for sale · 2021 Audi A6 Avant price guide

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

Vehicle photos