2018 Audi A5 2.0 TDI S Line

Price: £13,495. Fair price: £95 (under 1%) over the AskCar estimate of £13,400, 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 S Line S tronic FWD Euro 6 (s/s) 2dr (187 bhp)
  • Year: 2018
  • Mileage: 68,400 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 111 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 68,400 miles, around 2,300 fewer miles than is typical for its age. The AskCar estimate for this car is £13,400. It is priced at £13,495, which is £95 above that estimate. The AskCar estimate draws on 1,877 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Focus Auto in Mitcham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £95 (under 1%) over the AskCar estimate of £13,400.

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 £13,495. 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 1 April 2027.

It failed its MOT on 31 March 2026 (offside rear coil spring fractured or broken) and passed 1 day later, on 1 April 2026.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge; offside front inner tyre worn close to legal limit/worn on edge; front front bumper slightly insecure, but not likely to become detached.

Mileage at that test: 62,864 miles, which matches the advertised 68,400 miles.

Advertised mileage is about 2,300 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 62,001 miles. Price: £12,990, £505 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-b9e8affa7aa1
  • 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 74,900 miles. Price: £13,495, the same price as this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/audi-a5-2018-004bfa024b65
  • 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
  • The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, grey, 13 miles from this car. Mileage: 99,072 miles. Price: £11,695, £1,800 less than this car. Dealer: Switch Cars in Southall. AskCar page: https://askcar.co.uk/car/audi-a5-2018-292efd2650c1

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

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Photos

16 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.