2018 Audi A5 2.0 TDI ultra S Line
Price: £13,990. Fair price: £1,129 (7%) under the AskCar estimate of £15,119, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,877 priced Audi A5 adverts on AskCar as of 6 November 2026.
AskCar lists 1,927 used Audi A5 from 1,078 UK dealerships, as of 6 November 2026.
Overview
- Make: Audi
- Model: A5
- Trim: S Line
- Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
- Year: 2018
- Mileage: 68,994 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 112 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A5 S Line has covered 68,994 miles. Its asking price of £13,990 is £1,129 below the AskCar estimate of £15,119. The AskCar estimate uses UK dealer asking prices, including 1,877 Audi A5 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Xenon Automotive, based in Welwyn Garden City. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,129 (7%) under the AskCar estimate of £15,119.
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 1,877 priced Audi A5 adverts across different ages and specifications, as of 6 November 2026.
A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 125 for sale on AskCar, as of 6 November 2026.
Time on sale
AskCar first saw this 2018 Audi A5 advertised today. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 108 of the 209 first advertised between 7 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £13,990. 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 6 November 2026: valid until 6 August 2027.
It has had 7 MOTs. The latest, on 28 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 67,098 miles, which matches the advertised 68,994 miles.
Advertised mileage is about 1,700 miles lower than the median mileage of a 2018 Audi A5 on AskCar.
Similar cars
16 other 2018 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £11,900 to £19,490, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 69,100 miles. Price: £14,499, £509 more than this car. Dealer: MHY Trade Cars in West Drayton. AskCar page: https://askcar.co.uk/car/audi-a5-2018-e94f1e0fe355
- 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 67,700 miles. Price: £15,999, £2,009 more than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-08fedcc62f6a
- 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 73,000 miles. Price: £14,490, £500 more than this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/audi-a5-2018-ec5126d01072
Browse all Audi A5 cars for sale · 2018 Audi A5 price guide
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Photos
81 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.