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: 37,756 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

At 37,756 miles, this 2023 Audi A6 Avant S Line has covered about 3,200 more miles than other 2023 Audi A6 Avant cars. The dealer is asking £23,990, which is £957 below the AskCar estimate of £24,947. To work out the AskCar estimate, we analyse UK dealer adverts for 779 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Heaton Autos in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £957 (3%) under the AskCar estimate of £24,947.

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 779 priced Audi A6 Avant adverts across different ages and specifications, as of 12 November 2026.

A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £24,900: the median of the 98 for sale on AskCar, as of 12 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: 80 of the 164 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £23,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: valid until 26 October 2027.

It has had one MOT, on 12 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 37,756 miles, which matches the advertised 37,756 miles.

Advertised mileage is about 3,200 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 £21,000 to £27,999, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 37,895 miles. Price: £23,990, the same price as this car. Dealer: Stratstone Warrington Audi in Warrington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-fd581f86bdf1
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, blue. Mileage: 34,520 miles. Price: £24,900, £910 more than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-4736a72f8faf
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 34,396 miles. Price: £23,195, £795 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, 10 miles from this car. Mileage: 59,000 miles. Price: £23,000, £990 less than this car. Dealer: Woodson Cars in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-dfee91e5f695