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 S tronic FWD Euro 6 5dr (201 bhp)
• Year: 2023
• Mileage: 34,396 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Avant S Line is advertised with 34,396 miles on the clock. Its asking price of £23,795 is £2,289 below the AskCar estimate of £26,084. The AskCar estimate uses UK dealer asking prices, including 774 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 59 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at McCarthy Cars in Croydon. 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

Good value: £2,289 (8%) under the AskCar estimate of £26,084.

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 59 days.

Price history

AskCar first saw this advert on 6 September 2026 at £24,795. Its asking price is now £23,795, £1,000 less. The latest price cut was seen on 26 September 2026.

Price changes recorded:

• 6 September 2026: £24,795
• 26 September 2026: £23,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 July 2027.

It has had one MOT, on 21 July 2026, and passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake pad(s) wearing thin.

Mileage at that test: 34,103 miles, which matches the advertised 34,396 miles.

Advertised mileage is about 400 miles lower 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, blue. Mileage: 31,553 miles. Price: £23,850, £55 more than this car. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-6117288d0103
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 31,231 miles. Price: £23,990, £195 more than this car. Dealer: Aspire Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-0221be0d1928
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 37,895 miles. Price: £24,790, £995 more than this car. Dealer: Stratstone Warrington Audi in Warrington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-fd581f86bdf1

• The nearest: 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey, 4 miles from this car. Mileage: 39,583 miles. Price: £24,100, £305 more than this car. Dealer: Marshall Motor Group Coulsdon Audi in Coulsdon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-f86e90537ef3