2021 Audi A6 Avant

2.0 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)

£21,670

Fair price: within 8% of the typical £22,494 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 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)
Mileage
55,920 miles
Year
2021
Fuel type
Diesel
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
149 g/km
Colour
Black
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

At 55,920 miles, this 2021 Audi A6 Avant S Line has covered about 4,300 more miles than other 2021 Audi A6 Avant cars. The dealer is asking £21,670, which is £824 below our market estimate of £22,494. Our estimate draws on 775 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 24 days ago, the asking price has dropped by £280. Its recorded MOT is valid until 22 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Stratstone Hitchin Audi, based in Hitchin.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 September 2026, 24 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £280 from the first recorded £21,950. 2 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
29 September 2026£21,950
8 October 2026£21,450
16 October 2026£21,850
22 October 2026£21,670

Price and mileage comparison

Estimated market asking price: £22,494. The asking price is £824 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 4,300 miles higher than typical for a 2021 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 June 2027. 49,656 miles at the last test.

9 other cars with the same year, trim, gearbox and fuel are for sale from £18,491 to £22,490.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,49189,000 miles
£18,60376,000 miles
£19,49065,348 miles
£21,49080,067 miles
£21,99054,341 miles

These cars have covered 42,401–89,000 miles, compared with 55,920 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

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