2018 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 106,948 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 106,948 miles, this 2018 Audi A6 Avant S Line has covered about 23,600 more miles than other 2018 Audi A6 Avant cars. Priced at £10,645, it is advertised £1,609 below the AskCar estimate of £12,254. The AskCar estimate draws on 785 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Renegade Motors in Oldham. 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

Good value: £1,609 (13%) under the AskCar estimate of £12,254.

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 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,600: the median of the 48 for sale on AskCar, as of 5 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: 33 of the 64 first advertised between 13 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £10,645. 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 5 March 2027.

It has had 7 MOTs. The latest, on 6 March 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 102,483 miles, which matches the advertised 106,948 miles.

Advertised mileage is about 23,600 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

14 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 5 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, £150 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, red. Mileage: 118,600 miles. Price: £13,749, £3,104 more than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-dcae342b9bab
• 2018 Audi A6 Avant S Line, 2.0 diesel estate, white. Mileage: 121,177 miles. Price: £13,995, £3,350 more than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-41093fc03c2b