2018 Audi A6 Avant 2.0 TDI ultra S Line
Price: £10,495. Good value: £1,037 (8%) under the AskCar estimate of £11,532, 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: 2018
- Mileage: 109,358 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 115 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A6 Avant S Line has covered 109,358 miles, around 26,000 more miles than is typical for its age. Priced at £10,495, it is advertised £1,037 below the AskCar estimate of £11,532. The AskCar estimate draws on 785 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 7 days ago. The government's MOT record matches its advertised mileage. It is for sale at Ideal Car Centre in Bilston. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £1,037 (8%) under the AskCar estimate of £11,532.
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
This 2018 Audi A6 Avant has been on sale for at least 7 days.
Price history
AskCar first saw this advert on 29 October 2026 at £10,495. 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 7 July 2027.
It has had 6 MOTs. The latest, on 3 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 105,312 miles, which matches the advertised 109,358 miles.
Advertised mileage is about 26,000 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, blue. Mileage: 106,948 miles. Price: £10,645, £150 more 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, £3,254 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, £3,500 more than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-41093fc03c2b
Browse all Audi A6 Avant cars for sale · 2018 Audi A6 Avant price guide
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Photos
9 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.