2015 Audi A6 Avant 2.0 TDI ultra S Line
Price: £14,990. Fair price: £352 (2%) over the AskCar estimate of £14,638, 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 S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2015
- Mileage: 43,728 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Silver
- CO2: 115 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 43,728 miles, this 2015 Audi A6 Avant S Line has covered about 47,400 fewer miles than other 2015 Audi A6 Avant cars. The AskCar estimate for this car is £14,638. It is priced at £14,990, which is £352 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. We first saw this car advertised 98 days ago. Its asking price has since fallen by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Auto Venue in Newport. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £352 (2%) over the AskCar estimate of £14,638.
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 98 days.
Price history
AskCar first saw this advert on 30 July 2026 at £15,390. Its asking price is now £14,990, £400 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 30 July 2026: £15,390
- 9 September 2026: £15,290
- 28 October 2026: £14,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 February 2027.
It failed its MOT on 20 February 2026 (nearside side repeater not working) and passed 7 days later, on 27 February 2026.
Advisories at the latest test: central windscreen has crack/chip; nearside rear tyre worn close to legal limit/worn on edge tread edge; offside rear tyre worn close to legal limit/worn on edge tread edge.
Mileage at that test: 41,749 miles, which matches the advertised 43,728 miles.
Advertised mileage is about 47,400 miles lower than the median mileage of a 2015 Audi A6 Avant on AskCar.
Similar cars
12 other 2015 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £7,590 to £13,495, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2015 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 85,000 miles. Price: £13,495, £1,495 less than this car. Dealer: Southampton Cars & Vans in Southampton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-519693cfedb4
- 2015 Audi A6 Avant S Line, 2.0 diesel estate, red. Mileage: 88,401 miles. Price: £11,200, £3,790 less than this car. Dealer: SM Cars Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-54a207f1e7c3
- 2015 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 92,000 miles. Price: £11,999, £2,991 less than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-7689d3e87672
- The nearest: 2015 Audi A6 Avant S Line, 2.0 diesel estate, blue, 18 miles from this car. Mileage: 103,390 miles. Price: £9,299, £5,691 less than this car. Dealer: Junction 21 Motors in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-2cf36d221d63
Browse all Audi A6 Avant cars for sale · 2015 Audi A6 Avant price guide
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Photos
33 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.