2023 Audi A6 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2023
• Mileage: 21,500 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 has covered 21,500 miles. Its asking price of £26,599 is £230 below the AskCar estimate of £26,829. The AskCar estimate uses UK dealer asking prices, including 785 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 16 days ago. Its asking price has since fallen by £391. The last MOT shows 22,115 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expires on 14 May 2027. You can find this car at Lookers Audi Tyneside in Wallsend. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £230 (under 1%) under the AskCar estimate of £26,829.

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

This 2023 Audi A6 Avant has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £26,990. Its asking price is now £26,599, £391 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 20 October 2026: £26,990
• 24 October 2026: £27,046
• 27 October 2026: £26,899
• 5 November 2026: £26,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 14 May 2027.

It has had one MOT, on 11 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,115 miles. The advert says 21,500 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 13,100 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, blue. Mileage: 24,110 miles. Price: £24,799, £1,800 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, £139 less than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-3a2b76798ad1
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 17,256 miles. Price: £27,990, £1,391 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-442c2e9aedb4