2018 Audi A6 Saloon 2.0 TDI ultra S Line
Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 4dr (187 bhp)
Price: £13,000. Fair price: £823 (5%) under the AskCar estimate of £13,823, our expected asking price for this car from its model, age, mileage and specification, drawing on 850 priced Audi A6 Saloon adverts on AskCar as of 1 November 2026.
AskCar lists 877 used Audi A6 Saloon from 646 UK dealerships, as of 1 November 2026.
Overview
- Make
- Audi
- Model
- A6 Saloon
- Trim
- S Line
- Version
- 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 4dr (187 bhp)
- Mileage
- 67,460 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 110 g/km
- Colour
- Grey
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI; ultra
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2018 Audi A6 Saloon S Line is 67,460 miles. Priced at £13,000, it is advertised £823 below the AskCar estimate of £13,823. To work out the AskCar estimate, we analyse UK dealer adverts for 850 Audi A6 Saloon cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 10 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Group Audi Reading, based in Reading.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £13,000 |
Price and mileage comparison
Fair price: £823 (5%) under the AskCar estimate of £13,823.
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 850 priced Audi A6 Saloon adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 1,500 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 10 March 2027. 59,941 miles at the last test.
Other matching cars
37 other 2018 Audi A6 Saloon S Line automatic diesel cars are for sale at UK dealers from £7,995 to £21,998, as of 1 November 2026.
The 5 cheapest:
- 2018 Audi A6 Saloon. Price: £7,995. Mileage: 115,000 miles. Dealer: Driveaway N11 in London. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-72d353d57b7b
- 2018 Audi A6 Saloon. Price: £10,980. Mileage: 80,000 miles. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9dca2055f1f2
- 2018 Audi A6 Saloon. Price: £11,490. Mileage: 131,000 miles. Dealer: 2Us 4 Cars in Bacup. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-d402cfcc7af3
- 2018 Audi A6 Saloon. Price: £11,995. Mileage: 121,258 miles. Dealer: Carzy in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-0edc5e86d7a0
- 2018 Audi A6 Saloon. Price: £12,990. Mileage: 120,515 miles. Dealer: Autohaven Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2b4b595c442b
The 37 matching cars have covered 12,900 to 131,000 miles, compared with 67,460 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 Saloon cars for sale · 2018 Audi A6 Saloon price guide
More like this
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.