2018 Audi A5 Cabriolet 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5 Cabriolet
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic 4WD Euro 6 (s/s) 2dr (249 bhp)
• Year: 2018
• Mileage: 47,700 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 249 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,700 miles on the clock, this 2018 Audi A5 Cabriolet S Line has done roughly 8,300 fewer miles than a typical 2018 Audi A5 Cabriolet. The dealer is asking £15,399, which is £1,699 below the AskCar estimate of £17,098. To work out the AskCar estimate, we analyse UK dealer adverts for 207 Audi A5 Cabriolet cars across different ages and specifications. We first saw this car advertised 161 days ago. Its asking price has since fallen by £1,900. The latest recorded MOT expiry date is 9 September 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £1,699 (9%) under the AskCar estimate of £17,098.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £17,299. Its asking price is now £15,399, £1,900 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 May 2026: £17,299
• 29 May 2026: £17,199
• 2 June 2026: £17,099
• 6 June 2026: £17,399
• 16 June 2026: £16,599
• 18 June 2026: £16,499
• 22 June 2026: £16,299
• 25 June 2026: £16,499
• 28 June 2026: £16,599
• 2 July 2026: £16,499
• 6 July 2026: £16,399
• 7 July 2026: £16,599
• 12 July 2026: £16,799
• 15 July 2026: £16,699
• 17 July 2026: £16,899
• 19 July 2026: £16,699
• 23 July 2026: £16,499
• 27 July 2026: £16,399
• 30 July 2026: £16,199
• 2 August 2026: £16,499
• 6 August 2026: £16,399
• 10 August 2026: £16,499
• 20 August 2026: £16,399
• 24 August 2026: £16,299
• 27 August 2026: £16,399
• 3 September 2026: £16,299
• 8 September 2026: £16,199
• 12 September 2026: £16,099
• 15 September 2026: £16,299
• 18 September 2026: £16,099
• 21 September 2026: £15,999
• 25 September 2026: £16,099
• 29 September 2026: £15,899
• 2 October 2026: £15,699
• 6 October 2026: £15,799
• 9 October 2026: £15,699
• 13 October 2026: £15,599
• 18 October 2026: £15,699
• 23 October 2026: £15,599
• 3 November 2026: £15,399

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 9 September 2026; ask the dealer for the current MOT.

It failed its MOT on 12 August 2025 (nearside front tyre has ply or cords exposed) and passed later the same day.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 42,579 miles, which matches the advertised 47,700 miles.

Advertised mileage is about 8,300 miles lower 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 automatic convertibles are for sale at UK dealers, from £10,000 to £20,899, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, white. Mileage: 56,000 miles. Price: £15,590, £191 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-db9c9f417bc3
• 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, grey. Mileage: 61,999 miles. Price: £10,000, £5,399 less than this car. Dealer: Ancoats Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-dd305a7389f4
• 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, black. Mileage: 32,589 miles. Price: £16,790, £1,391 more than this car. Dealer: NFS Autos in Bromley. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-07251ce64b7b