2018 Audi A5 Cabriolet 2.0 TFSI S Line

Price: £11,700. Good value: £1,074 (8%) under the AskCar estimate of £12,774, our expected asking price for this car from its model, age, mileage and specification, drawing on 207 priced Audi A5 Cabriolet adverts on AskCar as of 5 November 2026.

AskCar lists 219 used Audi A5 Cabriolet from 193 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A5 Cabriolet
  • Trim: S Line
  • Version: 2.0 TFSI S Line Manual FWD Euro 6 (s/s) 2dr (187 bhp)
  • Year: 2018
  • Mileage: 60,500 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 60,500 miles on the clock, this 2018 Audi A5 Cabriolet S Line has done roughly 4,500 more miles than a typical 2018 Audi A5 Cabriolet. Priced at £11,700, it is advertised £1,074 below the AskCar estimate of £12,774. The AskCar estimate uses UK dealer asking prices, including 207 Audi A5 Cabriolet adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 77 days ago. Its asking price has since fallen by £2,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Bristol, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £1,074 (8%) under the AskCar estimate of £12,774.

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 207 priced Audi A5 Cabriolet adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi A5 Cabriolet with the 2.0 petrol engine is typically advertised at £14,600: the median of the 20 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Audi A5 Cabriolet has been on sale for at least 77 days.

Price history

AskCar first saw this advert on 20 August 2026 at £14,000. Its asking price is now £11,700, £2,300 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 20 August 2026: £14,000
  • 21 August 2026: £13,660
  • 22 August 2026: £13,694
  • 25 August 2026: £13,634
  • 26 August 2026: £13,736
  • 27 August 2026: £13,729
  • 28 August 2026: £13,737
  • 29 August 2026: £13,755
  • 2 September 2026: £13,741
  • 11 September 2026: £13,683
  • 15 September 2026: £13,136
  • 16 September 2026: £12,611
  • 29 September 2026: £12,422
  • 30 September 2026: £12,236
  • 1 October 2026: £12,000
  • 4 November 2026: £11,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 March 2027.

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

There were no advisories at the latest test.

Mileage at that test: 59,620 miles, which matches the advertised 60,500 miles.

Advertised mileage is about 4,500 miles higher than the median mileage of a 2018 Audi A5 Cabriolet on AskCar.

Similar cars

6 other 2018 Audi A5 Cabriolet S Line 2.0 petrol manual convertibles are for sale at UK dealers, from £11,995 to £19,940, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, grey. Mileage: 58,545 miles. Price: £12,495, £795 more than this car. Dealer: H Tones Oxford Garage in Hartlepool. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-35895f7af5e9
  • 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, black. Mileage: 75,686 miles. Price: £11,995, £295 more than this car. Dealer: Shelldrakes Specialist Cars in Shefford. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-a8fd146f94d2
  • 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, white. Mileage: 44,069 miles. Price: £13,100, £1,400 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-4860ea0136d6
  • The nearest: 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, grey, 90 miles from this car. Mileage: 28,000 miles. Price: £19,940, £8,240 more than this car. Dealer: Smith Premier in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-722deeb75c38

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

More like this

Photos

33 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.