2018 Audi A6 Avant 2.0 TDI ultra S Line
Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
Price: £10,495. Good value: £1,052 (9%) under the AskCar estimate of £11,547, our expected asking price for this car from its model, age, mileage and specification, drawing on 751 priced Audi A6 Avant adverts on AskCar as of 29 October 2026.
AskCar lists 779 used Audi A6 Avant from 568 UK dealerships, as of 29 October 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)
- Mileage
- 109,358 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Estate
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 115 g/km
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI; ultra
- Emissions standard
- Euro 6
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 £1,052 below the AskCar estimate of £11,547. The AskCar estimate draws on 751 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its recorded MOT is valid until 7 July 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Ideal Car Centre in Bilston.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £10,495 |
Price and mileage comparison
Good value: £1,052 (9%) under the AskCar estimate of £11,547.
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 751 priced Audi A6 Avant adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 26,000 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 7 July 2027. 105,312 miles at the last test.
Other matching cars
17 other 2018 Audi A6 Avant S Line automatic diesel cars are for sale at UK dealers from £9,950 to £23,990, as of 29 October 2026.
The 5 cheapest:
- 2018 Audi A6 Avant. Price: £9,950. Mileage: 124,000 miles. Dealer: Windmill Motors in Bourne. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-7713e446c241
- 2018 Audi A6 Avant. Price: £10,950. Mileage: 108,000 miles. Dealer: Northern Motor House in Shipley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-a828df2de944
- 2018 Audi A6 Avant. Price: £13,995. Mileage: 121,177 miles. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-41093fc03c2b
- 2018 Audi A6 Avant. Price: £13,995. Mileage: 135,961 miles. Dealer: Motorport in Bedford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-f99a1b062ea8
- 2018 Audi A6 Avant. Price: £13,999. Mileage: 118,600 miles. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-dcae342b9bab
The 17 matching cars have covered 46,000 to 154,000 miles, compared with 109,358 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A6 Avant cars for sale · 2018 Audi A6 Avant price guide
More like this
Photos
9 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.