2018 Audi A5 2.0 TFSI S Line

Price: £16,990. Fair price: £1,027 (5%) under the AskCar estimate of £18,017, 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 TFSI S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (249 bhp)
  • Year: 2018
  • Mileage: 56,153 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 249 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 56,153 miles, around 15,700 fewer miles than is typical for its age. The AskCar estimate for this car is £18,017. It is priced at £16,990, which is £1,027 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,830 Audi A5 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 11 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Williams Select in Manchester. 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: £1,027 (5%) under the AskCar estimate of £18,017.

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 petrol 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 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £17,990. Its asking price is now £16,990, £1,000 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

  • 22 October 2026: £17,990
  • 25 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 September 2027.

It has had 6 MOTs. The latest, on 18 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,928 miles, which matches the advertised 56,153 miles.

Advertised mileage is about 15,700 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

23 other 2018 Audi A5 S Line 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £10,989 to £19,999, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 petrol hatchback, grey. Mileage: 54,660 miles. Price: £16,995, the same price as this car. Dealer: Alpha Cars in Catterick Garrison. AskCar page: https://askcar.co.uk/car/audi-a5-2018-d76767d69f6c
  • 2018 Audi A5 S Line, 2.0 petrol hatchback, white. Mileage: 53,200 miles. Price: £17,490, £500 more than this car. Dealer: Rovia Cars in Waltham Cross. AskCar page: https://askcar.co.uk/car/audi-a5-2018-54f74e0ba284
  • 2018 Audi A5 S Line, 2.0 petrol hatchback, black. Mileage: 52,834 miles. Price: £14,989, £2,001 less than this car. Dealer: Autobarn Motor Company in Burnley. AskCar page: https://askcar.co.uk/car/audi-a5-2018-755e69a4aa5e
  • The nearest: 2018 Audi A5 S Line, 2.0 petrol hatchback, black, 3 miles from this car. Mileage: 48,170 miles. Price: £19,995, £3,005 more than this car. Dealer: Billzo Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-ab9251fa1196

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

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Photos

63 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.