2018 Audi A5 Cabriolet 3.0 TDI V6 S Line

Overview

• Make: Audi
• Model: A5 Cabriolet
• Trim: S Line
• Version: 3.0 TDI V6 S Line S tronic 4WD Euro 6 (s/s) 2dr (215 bhp)
• Year: 2018
• Mileage: 119,996 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 215 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 Cabriolet S Line is advertised with 119,996 miles, approximately 72,500 above the typical mileage for its age. Priced at £10,699, it is advertised £139 below the AskCar estimate of £10,838. The AskCar estimate uses 211 UK dealer adverts for the Audi A5 Cabriolet, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £800. Its advertised mileage matches the government's MOT record. It is for sale at AL Prestige Cars in Southampton. 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: £139 (1%) under the AskCar estimate of £10,838.

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 211 priced Audi A5 Cabriolet adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2018 Audi A5 Cabriolet has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £11,499. Its asking price is now £10,699, £800 less. The latest price cut was seen on 4 September 2026.

Price changes recorded:

• 28 May 2026: £11,499
• 24 August 2026: £10,999
• 4 September 2026: £10,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 June 2027.

It has had 6 MOTs. The latest, on 4 June 2026, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 118,622 miles, which matches the advertised 119,996 miles.

Advertised mileage is about 72,500 miles higher than the median mileage of a 2018 Audi A5 Cabriolet on AskCar.

Similar cars

1 other 2018 Audi A5 Cabriolet S Line 3.0 diesel automatic convertible is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

• 2018 Audi A5 Cabriolet S Line, 3.0 diesel convertible, white. Mileage: 97,000 miles. Price: £11,995, £1,296 more than this car. Dealer: Leaside Cars in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2018-9291167e9b78