2018 Audi A5 2.0 TDI S Line

Price: £12,490. Above the going rate: £1,547 (14%) over the AskCar estimate of £10,943, 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 Manual FWD Euro 6 2dr (187 bhp)
  • Year: 2018
  • Mileage: 91,017 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 113 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 91,017 miles, approximately 20,300 above the typical mileage for its age. The AskCar estimate for this car is £10,943. It is priced at £12,490, which is £1,547 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,877 Audi A5 cars across different ages and specifications. It first appeared in our advert records 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at Whitley Bay Motors in Washington. 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

Above the going rate: £1,547 (14%) over the AskCar estimate of £10,943.

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 1 day ago. 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 5 November 2026 at £12,490. 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 November 2026.

It failed its MOT on 7 November 2025 (offside rear coil spring fractured or broken) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 84,105 miles, which matches the advertised 91,017 miles.

Advertised mileage is about 20,300 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

6 other 2018 Audi A5 S Line 2.0 diesel manual coupes are for sale at UK dealers, from £8,495 to £12,995, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 88,498 miles. Price: £10,990, £1,500 less than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-a1c9a0661952
  • 2018 Audi A5 S Line, 2.0 diesel coupe, blue. Mileage: 81,542 miles. Price: £12,995, £505 more than this car. Dealer: Regency Car Sales Elgin in Elgin. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4fd631e2645b
  • 2018 Audi A5 S Line, 2.0 diesel coupe, black. Mileage: 103,000 miles. Price: £9,950, £2,540 less than this car. Dealer: J Hair Motors in Newtownards. AskCar page: https://askcar.co.uk/car/audi-a5-2018-0bb2d87a7ed6
  • The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, black, 8 miles from this car. Mileage: 115,961 miles. Price: £8,495, £3,995 less than this car. Dealer: Belle Vue Vehicles in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4ebb6cd2a40a

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

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Photos

1 photo of this car is 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.