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: 65,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 249 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 Cabriolet S Line has covered 65,000 miles, around 17,300 more miles than is typical for its age. The AskCar estimate for this car is £15,378. It is priced at £16,650, which is £1,272 above that estimate. The AskCar estimate draws on 212 Audi A5 Cabriolet adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 131 days ago. Its asking price has since fallen by £1,345. Our records show an MOT expiry date of 20 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by Peverel Car Company in Witham. 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

Above the going rate: £1,272 (8%) over the AskCar estimate of £15,378.

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

A 2018 Audi A5 Cabriolet with the 2.0 petrol engine is typically advertised at £14,600: the median of the 21 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Audi A5 Cabriolet has been on sale for at least 131 days.

Price history

AskCar first saw this advert on 26 June 2026 at £17,995. Its asking price is now £16,650, £1,345 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 27 June 2026: £17,995
• 10 July 2026: £17,990
• 22 July 2026: £17,895
• 22 August 2026: £17,795
• 26 September 2026: £17,450
• 29 September 2026: £17,250
• 11 October 2026: £17,150
• 16 October 2026: £16,995
• 23 October 2026: £16,795
• 27 October 2026: £16,695
• 31 October 2026: £16,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 20 October 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 3 October 2025, passed.

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

Mileage at that test: 62,002 miles, which matches the advertised 65,000 miles.

Advertised mileage is about 17,300 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 automatic convertibles are for sale at UK dealers, from £10,000 to £20,899, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, grey. Mileage: 61,999 miles. Price: £10,000, £6,650 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, white. Mileage: 56,000 miles. Price: £15,590, £1,060 less 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: 47,700 miles. Price: £15,399, £1,251 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-0913e5292495

• The nearest: 2018 Audi A5 Cabriolet S Line, 2.0 petrol convertible, black, 38 miles from this car. Mileage: 32,589 miles. Price: £16,790, £140 more than this car. Dealer: NFS Autos in Bromley. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-07251ce64b7b