2023 Audi A6 Avant 2.0 TFSI S Line

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: 37,895 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 has covered 37,895 miles, around 3,100 more miles than is typical for its age. The AskCar estimate for this car is £24,889. It is priced at £24,790, which is £99 below that estimate. The AskCar estimate uses 774 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 82 days ago, and its asking price has since fallen by £2,200. Its advertised mileage matches the government's MOT record. The seller is Stratstone Warrington Audi, based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £99 (under 1%) under the AskCar estimate of £24,889.

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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £25,400: the median of the 97 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 82 days.

Price history

AskCar first saw this advert on 14 August 2026 at £26,990. Its asking price is now £24,790, £2,200 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 14 August 2026: £26,990
• 27 August 2026: £26,980
• 8 September 2026: £26,500
• 23 September 2026: £25,500
• 6 October 2026: £25,250
• 21 October 2026: £24,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 18 May 2027.

It failed its MOT on 13 May 2026 (nearside front tyre tread depth below requirements of 1.6mm; nearside windscreen damaged but not adversely affecting driver's view; nearside windscreen wiper blade defective; and 1 more) and passed 1 day later, on 14 May 2026.

Advisories at the latest test: nearside windscreen damaged but not adversely affecting driver's view; nearside windscreen wiper blade defective; offside windscreen wiper blade defective; and 1 more.

Mileage at that test: 36,422 miles, which matches the advertised 37,895 miles.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

19 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 39,583 miles. Price: £24,100, £690 less than this car. Dealer: Marshall Motor Group Coulsdon Audi in Coulsdon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-f86e90537ef3
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, silver. Mileage: 39,632 miles. Price: £26,295, £1,505 more than this car. Dealer: Grainger Motor Group in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-539bc19dd8c7
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 34,396 miles. Price: £23,795, £995 less than this car. Dealer: McCarthy Cars in Croydon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-4cc25cbc1b0c

• The nearest: 2023 Audi A6 Avant S Line, 2.0 petrol estate, white, 8 miles from this car. Mileage: 59,000 miles. Price: £23,000, £1,790 less than this car. Dealer: Woodson Cars in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-dfee91e5f695