2023 Audi A6 Avant 2.0 TDI S Line
Price: £22,495. Fair price: £772 (3%) over the AskCar estimate of £21,723, our expected asking price for this car from its model, age, mileage and specification, drawing on 789 priced Audi A6 Avant adverts on AskCar as of 7 November 2026.
AskCar lists 813 used Audi A6 Avant from 595 UK dealerships, as of 7 November 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)
- Year: 2023
- Mileage: 78,000 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 152 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Audi A6 Avant S Line is advertised with 78,000 miles, approximately 43,500 above the typical mileage for its age. Priced at £22,495, it is advertised £772 above the AskCar estimate of £21,723. The AskCar estimate uses UK dealer asking prices, including 789 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. It is advertised by MC Autosales in Magherafelt. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £772 (3%) over the AskCar estimate of £21,723.
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 789 priced Audi A6 Avant adverts across different ages and specifications, as of 7 November 2026.
A 2023 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £24,800: the median of the 97 for sale on AskCar, as of 7 November 2026.
Time on sale
AskCar first saw this 2023 Audi A6 Avant advertised today. About half of 2023 Audi A6 Avant cars are gone from sale within a month of being advertised: 71 of the 153 first advertised between 7 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £22,495. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 43,500 miles higher than the median mileage of a 2023 Audi A6 Avant on AskCar.
Similar cars
8 other 2023 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £21,990 to £30,990, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 85,820 miles. Price: £21,990, £505 less than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-22a8818275e7
- 2023 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 40,557 miles. Price: £27,995, £5,500 more than this car. Dealer: Eakin Brothers in Londonderry. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-727e6ebfd37f
- 2023 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 36,164 miles. Price: £26,775, £4,280 more than this car. Dealer: Lawrence Warner Specialist Cars in Havant. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c8803ef08f38
- The nearest: 2023 Audi A6 Avant S Line, 2.0 diesel estate, blue, 22 miles from this car. Mileage: 21,162 miles. Price: £30,990, £8,495 more than this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-ba67fa20c544
Browse all Audi A6 Avant cars for sale · 2023 Audi A6 Avant price guide
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Photos
12 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.