2018 Audi A3 Cabriolet 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3 Cabriolet
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 2dr (147 bhp)
• Year: 2018
• Mileage: 92,953 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 Cabriolet S Line has covered 92,953 miles. Its asking price of £11,290 is £94 below the AskCar estimate of £11,384. The AskCar estimate draws on 232 Audi A3 Cabriolet adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 43 days ago, the asking price has dropped by £400. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Vauxhall Newport, based in Newport. 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: £94 (under 1%) under the AskCar estimate of £11,384.

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 232 priced Audi A3 Cabriolet adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2018 Audi A3 Cabriolet has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £11,690. Its asking price is now £11,290, £400 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 20 September 2026: £11,690
• 22 September 2026: £11,620
• 29 September 2026: £11,590
• 7 October 2026: £11,530
• 13 October 2026: £11,450
• 20 October 2026: £11,370
• 27 October 2026: £11,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 September 2027.

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

Advisories at the latest test: nearside rear tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 92,221 miles, which matches the advertised 92,953 miles.

Similar cars

4 other 2018 Audi A3 Cabriolet S Line 1.5 petrol automatic convertibles are for sale at UK dealers, from £12,450 to £20,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 Cabriolet S Line, 1.5 petrol convertible, grey. Mileage: 84,406 miles. Price: £12,450, £1,160 more than this car. Dealer: NK Car Sales in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2018-401883ad6307
• 2018 Audi A3 Cabriolet S Line, 1.5 petrol convertible, white. Mileage: 37,000 miles. Price: £19,995, £8,705 more than this car. Dealer: Bedford Specialist Cars in Bedford. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2018-abbf129b49cb
• 2018 Audi A3 Cabriolet S Line, 1.5 petrol convertible, white. Mileage: 23,193 miles. Price: £17,199, £5,909 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2018-2d638923e8d2

• The nearest: 2018 Audi A3 Cabriolet S Line, 1.5 petrol convertible, silver, 81 miles from this car. Mileage: 12,005 miles. Price: £20,990, £9,700 more than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2018-f9ae8a8b0530