2018 Audi A6 Saloon 2.0 TDI ultra S Line
Price: £12,990. Fair price: £680 (4%) under the AskCar estimate of £13,670, our expected asking price for this car from its model, age, mileage and specification, drawing on 876 priced Audi A6 Saloon adverts on AskCar as of 10 November 2026.
AskCar lists 902 used Audi A6 Saloon from 658 UK dealerships, as of 10 November 2026.
Overview
- Make: Audi
- Model: A6 Saloon
- Trim: S Line
- Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 4dr (187 bhp)
- Year: 2018
- Mileage: 56,000 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Silver
- CO2: 114 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A6 Saloon S Line is advertised with 56,000 miles, approximately 11,000 below the typical mileage for its age. The dealer is asking £12,990, which is £680 below the AskCar estimate of £13,670. To work out the AskCar estimate, we analyse UK dealer adverts for 876 Audi A6 Saloon cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is for sale at Stratus in Hook. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Stratus is rated 4.5 out of 5 on Google.
Price
Fair price: £680 (4%) under the AskCar estimate of £13,670.
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 876 priced Audi A6 Saloon adverts across different ages and specifications, as of 10 November 2026.
A 2018 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £15,100: the median of the 54 for sale on AskCar, as of 10 November 2026.
Time on sale
AskCar first saw this 2018 Audi A6 Saloon advertised today. About 4 in 10 of 2018 Audi A6 Saloon cars are gone from sale within a month of being advertised: 35 of the 84 first advertised between 12 July 2026 and 7 October 2026.
Price history
AskCar first saw this advert on 10 November 2026 at £12,990. 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 10 November 2026: valid until 18 July 2027.
It has had 6 MOTs. The latest, on 22 June 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge and shape; offside front tyre worn close to legal limit/worn on edge and shape.
Mileage at that test: 54,112 miles, which matches the advertised 56,000 miles.
Advertised mileage is about 11,000 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.
Browse all Audi A6 Saloon cars for sale · 2018 Audi A6 Saloon price guide
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Photos
83 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.