2017 Audi A3 Cabriolet 1.5 S Line

Overview

• Make: Audi
• Model: A3 Cabriolet
• Trim: S Line
• Version: 1.5 TFSI S Line Manual FWD Euro 6 2dr (147 bhp)
• Year: 2017
• Mileage: 26,197 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 121 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Audi A3 Cabriolet S Line has covered 26,197 miles, around 33,900 fewer miles than is typical for its age. Priced at £16,491, it is advertised £585 above the AskCar estimate of £15,906. To work out the AskCar estimate, we analyse UK dealer adverts for 237 Audi A3 Cabriolet cars across different ages and specifications. We have tracked this advert for 41 days. Its advertised mileage matches the government's MOT record. It is for sale at Pontardawe Car Sales in Swansea. 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

Fair price: £585 (3%) over the AskCar estimate of £15,906.

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 237 priced Audi A3 Cabriolet adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2017 Audi A3 Cabriolet has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £16,491. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 4 December 2026.

It has had 8 MOTs. The latest, on 5 December 2025, passed.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge n/s & o/s wearing on inner edge; nearside front tyre has a cut but not deep enough to reach the ply or cords in tread; manufactures covers.

Mileage at that test: 24,046 miles, which matches the advertised 26,197 miles.

Advertised mileage is about 33,900 miles lower than the median mileage of a 2017 Audi A3 Cabriolet on AskCar.

Similar cars

3 other 2017 Audi A3 Cabriolet S Line 1.5 petrol manual convertibles are for sale at UK dealers, from £12,999 to £20,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2017 Audi A3 Cabriolet S Line, 1.5 petrol convertible, yellow. Mileage: 17,000 miles. Price: £20,995, £4,504 more than this car. Dealer: Bedford Specialist Cars in Bedford. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2017-3366c197a569
• 2017 Audi A3 Cabriolet S Line, 1.5 petrol convertible, white. Mileage: 43,016 miles. Price: £12,999, £3,492 less than this car. Dealer: G G Steel in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2017-fa7fa5cb843b
• 2017 Audi A3 Cabriolet S Line, 1.5 petrol convertible, black. Mileage: 44,200 miles. Price: £13,995, £2,496 less than this car. Dealer: North Star Sussex in Sayers Common. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2017-f5ed330bdc6d