2015 Audi A6 Avant 3.0 S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 3.0 TDI S Line S tronic 4WD Euro 6 5dr (268 bhp)
• Year: 2015
• Mileage: 114,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 268 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 114,000 miles, this 2015 Audi A6 Avant S Line has covered about 22,900 more miles than other 2015 Audi A6 Avant cars. Its asking price of £10,990 is £151 above the AskCar estimate of £10,839. The AskCar estimate uses 785 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 72 days. Its advertised mileage matches the government's MOT record. You can find this car at Best4U Motors in Brentwood. 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: £151 (1%) over the AskCar estimate of £10,839.

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 72 days.

Price history

AskCar first saw this advert on 25 August 2026 at £10,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 March 2027.

It has had 10 MOTs. The latest, on 30 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 113,577 miles, which matches the advertised 114,000 miles.

Advertised mileage is about 22,900 miles higher 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 £12,499 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, grey. Mileage: 90,262 miles. Price: £12,499, £1,509 more 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. Mileage: 61,941 miles. Price: £16,495, £5,505 more than this car. Dealer: Billzo Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-09485a905ce9
• 2015 Audi A6 Avant S Line, 3.0 diesel estate, blue. Mileage: 50,000 miles. Price: £18,000, £7,010 more than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-fdb9a4212ef3

• The nearest: 2015 Audi A6 Avant S Line, 3.0 diesel estate, white, 17 miles from this car. Mileage: 25,000 miles. Price: £18,995, £8,005 more than this car. Dealer: Concordia Car Sales in Harlow. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-d28f7b98d3ac