2015 Audi A6 Avant 3.0 BiTDI V6 S Line
Price: £16,495. Fair price: £237 (1%) over the AskCar estimate of £16,258, 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: 3.0 BiTDI V6 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (316 bhp)
- Year: 2015
- Mileage: 61,941 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 316 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 61,941 miles on the clock, this 2015 Audi A6 Avant S Line has done roughly 29,200 fewer miles than a typical 2015 Audi A6 Avant. The dealer is asking £16,495, which is £237 above the AskCar estimate of £16,258. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. This car was first seen in our listings data 102 days ago. It is advertised by Billzo Motors in Manchester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £237 (1%) over the AskCar estimate of £16,258.
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 3.0 diesel engine is typically advertised at £14,000: the median of the 15 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2015 Audi A6 Avant has been on sale for at least 102 days.
Price history
AskCar first saw this advert on 26 July 2026 at £16,495. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 29,200 miles lower than the median mileage of a 2015 Audi A6 Avant on AskCar.
Similar cars
4 other 2015 Audi A6 Avant S Line 3.0 diesel automatic estates are for sale at UK dealers, from £10,990 to £18,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2015 Audi A6 Avant S Line, 3.0 diesel estate, blue. Mileage: 50,000 miles. Price: £18,000, £1,505 more than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-fdb9a4212ef3
- 2015 Audi A6 Avant S Line, 3.0 diesel estate, grey. Mileage: 90,262 miles. Price: £12,499, £3,996 less than this car. Dealer: Basford Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-3b12aa6cd37d
- 2015 Audi A6 Avant S Line, 3.0 diesel estate, white. Mileage: 25,000 miles. Price: £18,995, £2,500 more than this car. Dealer: Concordia Car Sales in Harlow. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-d28f7b98d3ac
Browse all Audi A6 Avant cars for sale · 2015 Audi A6 Avant price guide
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Photos
77 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.