2018 Audi A5 2.0 TDI S Line

Price: £13,495. Fair price: £572 (4%) under the AskCar estimate of £14,067, 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: 74,900 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 74,900 miles, around 3,000 more miles than is typical for its age. The AskCar estimate for this car is £14,067. It is priced at £13,495, which is £572 below that estimate. The AskCar estimate uses 1,830 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 73 days ago. Its asking price has since fallen by £1,000. Our latest MOT record expired on 18 August 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by Ilex Car Sales in Londonderry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £572 (4%) under the AskCar estimate of £14,067.

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 73 days.

Price history

AskCar first saw this advert on 21 August 2026 at £14,495. Its asking price is now £13,495, £1,000 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

  • 21 August 2026: £14,495
  • 26 October 2026: £13,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 18 August 2026; ask the dealer for the current MOT.

It failed its MOT on 20 July 2024 and passed 30 days later, on 19 August 2024.

There were no advisories at the latest test.

Mileage at that test: 52,868 miles, which matches the advertised 74,900 miles.

Advertised mileage is about 3,000 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, white. Mileage: 75,000 miles. Price: £13,950, £455 more than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a5-2018-2cf3b80a07a1
  • 2018 Audi A5 S Line, 2.0 diesel coupe, black. Mileage: 79,000 miles. Price: £12,950, £545 less than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a5-2018-fd78dd438405
  • 2018 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 79,532 miles. Price: £12,500, £995 less than this car. Dealer: L T Car Sales in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-a5-2018-63607f45aef4
  • The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, white, 18 miles from this car. Mileage: 83,000 miles. Price: £12,750, £745 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a5-2018-9fe1ae58271b

Browse all Audi A5 cars for sale · 2018 Audi A5 price guide

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Photos

11 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.