2018 Audi A5 2.0 TFSI S Line

Price: £14,900. Fair price: £446 (2%) under the AskCar estimate of £15,346, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,862 priced Audi A5 adverts on AskCar as of 12 November 2026.

AskCar lists 1,910 used Audi A5 from 1,069 UK dealerships, as of 12 November 2026.

Overview

  • Make: Audi
  • Model: A5
  • Trim: S Line
  • Version: 2.0 TFSI S Line S tronic 4WD Euro 6 (s/s) 2dr (249 bhp)
  • Year: 2018
  • Mileage: 65,842 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 249 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 144 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 65,842 miles, approximately 5,300 below the typical mileage for its age. Priced at £14,900, it is advertised £446 below the AskCar estimate of £15,346. The AskCar estimate uses UK dealer asking prices, including 1,862 Audi A5 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 1 day. Its advertised mileage matches the government's MOT record. It is advertised by Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Car Planet Barnet is rated 4.6 out of 5 on Google.

Price

Fair price: £446 (2%) under the AskCar estimate of £15,346.

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 1,862 priced Audi A5 adverts across different ages and specifications, as of 12 November 2026.

A 2018 Audi A5 with the 2.0 petrol engine is typically advertised at £13,500: the median of the 126 for sale on AskCar, as of 12 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: 113 of the 218 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £14,900. 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 12 November 2026: valid until 27 January 2027.

It has had 7 MOTs. The latest, on 28 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,411 miles, which matches the advertised 65,842 miles.

Advertised mileage is about 5,300 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

18 other 2018 Audi A5 S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £8,940 to £19,990, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 petrol coupe, grey. Mileage: 66,000 miles. Price: £14,220, £680 less than this car. Dealer: Stormont Motor Company in Braintree. AskCar page: https://askcar.co.uk/car/audi-a5-2018-9e63d661acda
  • 2018 Audi A5 S Line, 2.0 petrol coupe, black. Mileage: 66,624 miles. Price: £12,692, £2,208 less than this car. Dealer: Hedgeway Motors in Baildon. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4efc01c3fda3
  • 2018 Audi A5 S Line, 2.0 petrol coupe, white. Mileage: 67,500 miles. Price: £12,995, £1,905 less than this car. Dealer: DGA Cars in Downham Market. AskCar page: https://askcar.co.uk/car/audi-a5-2018-9cc6b6424ec2
  • The nearest: 2018 Audi A5 S Line, 2.0 petrol coupe, white, 5 miles from this car. Mileage: 86,000 miles. Price: £14,999, £99 more than this car. Dealer: Sapphire Motors in London. AskCar page: https://askcar.co.uk/car/audi-a5-2018-f762b93f388f

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 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.