2015 Audi A6 Avant 2.0 TDI ultra S Line
Price: £8,940. Fair price: £453 (5%) over the AskCar estimate of £8,487, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.
AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: S Line
- Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2015
- Mileage: 103,000 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 119 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2015 Audi A6 Avant S Line is advertised with 103,000 miles, approximately 11,900 above the typical mileage for its age. Priced at £8,940, it is advertised £453 above the AskCar estimate of £8,487. The AskCar estimate uses UK dealer asking prices, including 785 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 135 days ago, the asking price has dropped by £540. Its advertised mileage matches the government's MOT record. It is for sale at M&T Motor Company in Newbury. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £453 (5%) over the AskCar estimate of £8,487.
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 2015 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £10,500: the median of the 35 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2015 Audi A6 Avant has been on sale for at least 135 days.
Price history
AskCar first saw this advert on 23 June 2026 at £9,480. Its asking price is now £8,940, £540 less. The latest price cut was seen on 21 October 2026.
Price changes recorded:
- 23 June 2026: £9,480
- 18 August 2026: £9,190
- 21 October 2026: £8,940
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 November 2026.
It has had 9 MOTs. The latest, on 10 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 96,488 miles, which matches the advertised 103,000 miles.
Advertised mileage is about 11,900 miles higher than the median mileage of a 2015 Audi A6 Avant on AskCar.
Browse all Audi A6 Avant cars for sale · 2015 Audi A6 Avant price guide
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Photos
37 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.