2017 Audi A3 Cabriolet 1.5 TFSI CoD S Line

Overview

• Make: Audi
• Model: A3 Cabriolet
• Trim: S Line
• Version: 1.5 TFSI CoD S Line S tronic FWD Euro 6 (s/s) 2dr (148 bhp)
• Year: 2017
• Mileage: 43,137 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 43,137 miles, this 2017 Audi A3 Cabriolet S Line has covered about 17,500 fewer miles than other 2017 Audi A3 Cabriolet cars. Priced at £14,150, it is advertised £706 below the AskCar estimate of £14,856. To work out the AskCar estimate, we analyse UK dealer adverts for 232 Audi A3 Cabriolet cars across different ages and specifications. Since we first spotted the advert 30 days ago, the asking price has dropped by £300. Its advertised mileage matches the government's MOT record. The seller is Car Planet Watford, based in Rickmansworth. 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: £706 (4%) under the AskCar estimate of £14,856.

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 2017 Audi A3 Cabriolet has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £14,450. Its asking price is now £14,150, £300 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 3 October 2026: £14,450
• 21 October 2026: £14,350
• 28 October 2026: £14,150

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 November 2026.

It failed its MOT on 13 November 2025 (nearside front headlamp aim too low) and passed later the same day.

Advisories at the latest test: rear brake disc worn, but not excessively both; nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing; and 2 more.

Mileage at that test: 42,883 miles, which matches the advertised 43,137 miles.

Advertised mileage is about 17,500 miles lower than the median mileage of a 2017 Audi A3 Cabriolet on AskCar.