2023 Audi A6 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2023
• Mileage: 39,632 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 261 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 179 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,632 miles, this 2023 Audi A6 Avant S Line has covered about 5,000 more miles than other 2023 Audi A6 Avant cars. The AskCar estimate for this car is £28,678. It is priced at £26,295, which is £2,383 below that estimate. 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 saw this car advertised 41 days ago. Its asking price has since fallen by £700. The government's MOT record matches its advertised mileage. You can find this car at Grainger Motor Group in Bury St Edmunds. 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

Good value: £2,383 (8%) under the AskCar estimate of £28,678.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £26,995. Its asking price is now £26,295, £700 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 September 2026: £26,995
• 9 October 2026: £26,795
• 16 October 2026: £26,495
• 31 October 2026: £26,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 1 May 2027.

It has had one MOT, on 1 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 34,786 miles, which matches the advertised 39,632 miles.

Advertised mileage is about 5,000 miles higher 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, grey. Mileage: 39,583 miles. Price: £24,100, £2,195 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, grey. Mileage: 37,895 miles. Price: £23,990, £2,305 less than 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, black. Mileage: 34,396 miles. Price: £23,795, £2,500 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, grey, 23 miles from this car. Mileage: 31,231 miles. Price: £23,990, £2,305 less than this car. Dealer: Aspire Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-0221be0d1928