2025 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2025
• Mileage: 9,034 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Green
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 9,034 miles on the clock, this 2025 Audi A6 Avant S Line has done roughly 5,300 fewer miles than a typical 2025 Audi A6 Avant. The AskCar estimate for this car is £39,769. It is priced at £40,495, which is £726 above 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 recorded this advert 99 days ago, and its asking price has since fallen by £6,466. It is advertised by Listers Honda Stratford-upon-Avon in Stratford-on-Avon. 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: £726 (1%) over the AskCar estimate of £39,769.

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 2025 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £39,200: the median of the 19 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 Audi A6 Avant has been on sale for at least 99 days.

Price history

AskCar first saw this advert on 29 July 2026 at £46,961. Its asking price is now £40,495, £6,466 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 29 July 2026: £46,961
• 18 August 2026: £43,985
• 7 October 2026: £40,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,300 miles lower than the median mileage of a 2025 Audi A6 Avant on AskCar.

Similar cars

3 other 2025 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £37,500 to £39,985, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 12,312 miles. Price: £37,500, £2,995 less than this car. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2025-9fe49795e7c0
• 2025 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 15,472 miles. Price: £37,500, £2,995 less than this car. Dealer: Sytner Group Wakefield Audi in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2025-c348dd410401
• 2025 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 21,530 miles. Price: £39,985, £510 less than this car. Dealer: Listers Honda Stratford-upon-Avon in Stratford-upon-Avon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2025-f0dffca820c2