2018 Audi A6 2.0 S Line
Price: £14,795. Above the going rate: £1,690 (12%) over the AskCar estimate of £13,105, our expected asking price for this car from its model, age, mileage and specification, drawing on 64 priced Audi A6 adverts on AskCar as of 4 November 2026.
AskCar lists 77 used Audi A6 from 64 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A6
- Trim: S Line
- Version: 2.0 S Line S tronic Euro 6 4dr
- Year: 2018
- Mileage: 98,248 miles
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres
- Gearbox: Automatic (S tronic)
- Colour: White
- CO2: 117 g/km
- Emissions standard: Euro 6
About this car
This 2018 Audi A6 S Line is advertised with 98,248 miles on the clock. The dealer is asking £14,795, which is £1,690 above the AskCar estimate of £13,105. To work out the AskCar estimate, we analyse UK dealer adverts for 64 Audi A6 cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 40 days ago. Ask the dealer why the advert shows fewer miles than the 98,774 recorded at the latest MOT. MOT records show an expiry date of 20 September 2027. The seller is RTM Motors Cardiff, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Above the going rate: £1,690 (12%) over the AskCar estimate of £13,105.
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 64 priced Audi A6 adverts across different ages and specifications, as of 4 November 2026.
Time on sale
This 2018 Audi A6 has been on sale for at least 40 days.
Price history
AskCar first saw this advert on 25 September 2026 at £14,995. Its asking price is now £14,795, £200 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 25 September 2026: £14,995
- 2 November 2026: £14,795
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 September 2027.
It has had 6 MOTs. The latest, on 31 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 98,774 miles. The advert says 98,248 miles, fewer than the MOT record, so ask the dealer which is right.
Browse all Audi A6 cars for sale · 2018 Audi A6 price guide
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Photos
64 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.