2023 Audi A6 Avant 2.0 TDI S Line
Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
Price: £29,500. Fair price: £586 (1%) under the AskCar estimate of £30,086, our expected asking price for this car from its model, age, mileage and specification, drawing on 763 priced Audi A6 Avant adverts on AskCar as of 30 October 2026.
AskCar lists 779 used Audi A6 Avant from 566 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A6 Avant
- Trim
- S Line
- Version
- 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
- Mileage
- 21,941 miles
- Year
- 2023
- Fuel type
- Diesel
- Body type
- Estate
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 201 bhp
- Seats
- 5
- CO2
- 152 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
With 21,941 miles on the clock, this 2023 Audi A6 Avant S Line has done roughly 12,900 fewer miles than a typical 2023 Audi A6 Avant. Priced at £29,500, it is advertised £586 below the AskCar estimate of £30,086. The AskCar estimate uses UK dealer asking prices, including 763 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. MOT records show an expiry date of 20 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Swindon, based in Swindon.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £29,500 |
Price and mileage comparison
Fair price: £586 (1%) under the AskCar estimate of £30,086.
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 763 priced Audi A6 Avant adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 12,900 miles lower than the median mileage of a 2023 Audi A6 Avant on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 20 October 2027. 22,005 miles at the last test.
Other matching cars
5 other 2023 Audi A6 Avant S Line automatic diesel cars are for sale at UK dealers from £21,990 to £29,750, as of 30 October 2026.
- 2023 Audi A6 Avant. Price: £21,990. Mileage: 85,820 miles. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-22a8818275e7
- 2023 Audi A6 Avant. Price: £26,775. Mileage: 36,164 miles. Dealer: Lawrence Warner Specialist Cars in Havant. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c8803ef08f38
- 2023 Audi A6 Avant. Price: £27,995. Mileage: 40,557 miles. Dealer: Eakin Brothers in Londonderry. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-727e6ebfd37f
- 2023 Audi A6 Avant. Price: £28,550. Mileage: 30,361 miles. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-2cb048005019
- 2023 Audi A6 Avant. Price: £29,750. Mileage: 23,503 miles. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-d91940c40f87
The 5 matching cars have covered 23,503 to 85,820 miles, compared with 21,941 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A6 Avant cars for sale · 2023 Audi A6 Avant price guide
More like this
Photos
20 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.