2018 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2018
• Mileage: 108,943 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 108,943 miles, this 2018 Audi A6 Avant S Line has covered about 25,200 more miles than other 2018 Audi A6 Avant cars. Its asking price of £14,490 is £674 above the AskCar estimate of £13,816. The AskCar estimate uses UK dealer asking prices, including 789 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Group 1 Assured Peterborough, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £674 (4%) over the AskCar estimate of £13,816.

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 789 priced Audi A6 Avant adverts across different ages and specifications, as of 7 November 2026.

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,500: the median of the 50 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2018 Audi A6 Avant advertised today. About half of 2018 Audi A6 Avant cars are gone from sale within a month of being advertised: 36 of the 70 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £14,490. 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 7 November 2026: valid until 27 January 2027.

It has had 9 MOTs. The latest, on 28 January 2026, passed.

Advisories at the latest test: window damaged but not adversely affecting driver's view; nearside rear outer rear reflector defective or damaged by up to 50% of the reflecting surface; rear brake disc worn, but not excessively.

Mileage at that test: 100,486 miles, which matches the advertised 108,943 miles.

Advertised mileage is about 25,200 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

15 other 2018 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £9,950 to £20,299, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 109,358 miles. Price: £10,495, £3,995 less than this car. Dealer: Ideal Car Centre in Bilston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-f7b5329249bc
• 2018 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 106,948 miles. Price: £10,645, £3,845 less than this car. Dealer: Renegade Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-1401a18e18f0
• 2018 Audi A6 Avant S Line, 2.0 diesel estate, red. Mileage: 118,600 miles. Price: £13,749, £741 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-dcae342b9bab