2023 Audi A6 Avant 2.0 TFSI S Line
Price: £27,990. Fair price: £537 (1%) over the AskCar estimate of £27,453, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.
AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: S Line
- Version: 2.0 40 TFSI S Line [Tech Pack] S tronic FWD Euro 6 5dr (201 bhp)
- Year: 2023
- Mileage: 17,256 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 169 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Audi A6 Avant S Line is advertised with 17,256 miles, approximately 17,300 below the typical mileage for its age. Its asking price of £27,990 is £537 above the AskCar estimate of £27,453. The AskCar estimate uses 785 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The seller is Agnew Group Belfast Audi, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £537 (1%) over the AskCar estimate of £27,453.
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 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.
A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £25,300: the median of the 97 for sale on AskCar, as of 5 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: 67 of the 148 first advertised between 7 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £27,990. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 17,300 miles lower than the median mileage of a 2023 Audi A6 Avant on AskCar.
Similar cars
18 other 2023 Audi A6 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £21,495 to £27,999, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 21,500 miles. Price: £26,599, £1,391 less than this car. Dealer: Lookers Audi Tyneside in Tynemouth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-d6efb33546d3
- 2023 Audi A6 Avant S Line, 2.0 petrol estate, blue. Mileage: 24,110 miles. Price: £24,799, £3,191 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-a0a3b40c44ed
- 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 24,856 miles. Price: £26,460, £1,530 less than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-3a2b76798ad1
- The nearest: 2023 Audi A6 Avant S Line, 2.0 petrol estate, black, 80 miles from this car. Mileage: 28,106 miles. Price: £25,499, £2,491 less than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-e45bbc5f9f8e
Browse all Audi A6 Avant cars for sale · 2023 Audi A6 Avant price guide
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Photos
36 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.