2023 Audi A6 Avant 2.0 TDI S Line
Price: £21,990. Fair price: £1,470 (7%) over the AskCar estimate of £20,520, 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: 85,820 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 152 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 85,820 miles, this 2023 Audi A6 Avant S Line has covered about 51,300 more miles than other 2023 Audi A6 Avant cars. Its asking price of £21,990 is £1,470 above the AskCar estimate of £20,520. To work out the AskCar estimate, we analyse UK dealer adverts for 789 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records 101 days ago. The seller is Brownroyd Motors, based in Heywood. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £1,470 (7%) over the AskCar estimate of £20,520.
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
This 2023 Audi A6 Avant has been on sale for at least 101 days.
Price history
AskCar first saw this advert on 29 July 2026 at £20,990. Its asking price is now £21,990, £1,000 more.
Price changes recorded:
- 29 July 2026: £20,990
- 12 September 2026: £21,990
Mileage and MOT
Advertised mileage is about 51,300 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 £22,495 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, blue. Mileage: 78,000 miles. Price: £22,495, £505 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-e131e57d9649
- 2023 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 40,557 miles. Price: £27,995, £6,005 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, £4,785 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, grey, 141 miles from this car. Mileage: 22,201 miles. Price: £29,500, £7,510 more than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-78017b459917
Browse all Audi A6 Avant cars for sale · 2023 Audi A6 Avant price guide
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Photos
34 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.