2018 Audi A5 2.0 TDI S Line
Price: £12,950. Fair price: £715 (5%) under the AskCar estimate of £13,665, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,830 priced Audi A5 adverts on AskCar as of 2 November 2026.
AskCar lists 1,887 used Audi A5 from 1,070 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A5
- Trim: S Line
- Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 2dr (187 bhp)
- Year: 2018
- Mileage: 79,000 miles
- Fuel: Diesel
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 79,000 miles, this 2018 Audi A5 S Line has covered about 7,100 more miles than other 2018 Audi A5 cars. Its asking price of £12,950 is £715 below the AskCar estimate of £13,665. The AskCar estimate uses 1,830 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 21 days. The government's MOT record matches its advertised mileage. It is advertised by Windmill Autos in Sandy. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £715 (5%) under the AskCar estimate of £13,665.
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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.
A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,900: the median of the 117 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Audi A5 has been on sale for at least 21 days.
Price history
AskCar first saw this advert on 12 October 2026 at £12,950. 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 2 November 2026: valid until 3 September 2027.
It has had 7 MOTs. The latest, on 4 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 79,340 miles, which matches the advertised 79,000 miles.
Advertised mileage is about 7,100 miles higher than the median mileage of a 2018 Audi A5 on AskCar.
Similar cars
17 other 2018 Audi A5 S Line 2.0 diesel automatic coupes are for sale at UK dealers, from £9,499 to £18,999, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 79,532 miles. Price: £12,500, £450 less than this car. Dealer: L T Car Sales in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-a5-2018-63607f45aef4
- 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 83,000 miles. Price: £12,750, £200 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a5-2018-9fe1ae58271b
- 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 75,000 miles. Price: £13,950, £1,000 more than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a5-2018-2cf3b80a07a1
Browse all Audi A5 cars for sale · 2018 Audi A5 price guide
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Photos
64 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.