2015 Audi A6 Avant 2.0 TDI ultra S Line

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: 103,390 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 115 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Audi A6 Avant S Line is advertised with 103,390 miles, approximately 12,300 above the typical mileage for its age. The AskCar estimate for this car is £9,725. It is priced at £9,299, which is £426 below 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 recorded this advert 101 days ago, and its asking price has since fallen by £351. The government's MOT record matches its advertised mileage. It is for sale at Junction 21 Motors in Weston-super-Mare. 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: £426 (4%) under the AskCar estimate of £9,725.

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 101 days.

Price history

AskCar first saw this advert on 27 July 2026 at £9,650. Its asking price is now £9,299, £351 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 27 July 2026: £9,650
• 5 November 2026: £9,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 April 2027.

It has had 9 MOTs. The latest, on 29 April 2026, passed.

Advisories at the latest test: nearside rear brake pad(s) wearing thin 2.5-3.0mm; nearside rear brake disc worn, but not excessively; offside rear brake disc worn, but not excessively.

Mileage at that test: 101,205 miles, which matches the advertised 103,390 miles.

Advertised mileage is about 12,300 miles higher 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 £14,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2015 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 101,000 miles. Price: £9,295, the same price as this car. Dealer: NWTC Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-9087c69c712f
• 2015 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 108,000 miles. Price: £9,090, £209 less than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-dd26ca2c515c
• 2015 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 109,000 miles. Price: £9,000, £299 less than this car. Dealer: Colchester Cars For less in Colchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-07bcbbb9bb36

• The nearest: 2015 Audi A6 Avant S Line, 2.0 diesel estate, silver, 18 miles from this car. Mileage: 43,728 miles. Price: £14,990, £5,691 more than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-c006730a0bb7