2018 Audi A5 2.0 TDI S Line

Price: £12,500. Fair price: £130 (1%) over the AskCar estimate of £12,370, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,865 priced Audi A5 adverts on AskCar as of 4 November 2026.

AskCar lists 1,911 used Audi A5 from 1,079 UK dealerships, as of 4 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: 79,532 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 111 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 79,532 miles, around 8,200 more miles than is typical for its age. The dealer is asking £12,500, which is £130 above the AskCar estimate of £12,370. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 151 days, and its asking price has been cut by £450. We checked its advertised mileage against the government's MOT record, and they match. The seller is L T Car Sales, based in Leighton Buzzard. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £130 (1%) over the AskCar estimate of £12,370.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 121 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A5 has been on sale for at least 151 days, and its asking price has been cut by £450. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 104 of the 204 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 6 June 2026 at £12,950. Its asking price is now £12,500, £450 less. The latest price cut was seen on 26 June 2026.

Price changes recorded:

  • 6 June 2026: £12,950
  • 26 June 2026: £12,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 March 2027.

It has had 6 MOTs. The latest, on 26 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 79,175 miles, which matches the advertised 79,532 miles.

Advertised mileage is about 8,200 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 diesel coupe, black. Mileage: 79,000 miles. Price: £12,950, £450 more 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, white. Mileage: 83,000 miles. Price: £12,750, £250 more 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, £1,450 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

22 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.