2020 Audi A3 Cabriolet 1.5 TFSI S Line

Price: £15,991. Fair price: £871 (5%) under the AskCar estimate of £16,862, our expected asking price for this car from its model, age, mileage and specification, drawing on 237 priced Audi A3 Cabriolet adverts on AskCar as of 5 November 2026.

AskCar lists 244 used Audi A3 Cabriolet from 215 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A3 Cabriolet
  • Trim: S Line
  • Version: 1.5 TFSI S Line S tronic FWD Euro 6 2dr (147 bhp)
  • Year: 2020
  • Mileage: 58,888 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 1.5 litres, 147 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 155 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Audi A3 Cabriolet S Line is 58,888 miles. Its asking price of £15,991 is £871 below the AskCar estimate of £16,862. The AskCar estimate uses UK dealer asking prices, including 237 Audi A3 Cabriolet adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sinclair Volkswagen (Swansea), based 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: £871 (5%) under the AskCar estimate of £16,862.

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

AskCar first saw this 2020 Audi A3 Cabriolet advertised 2 days ago.

Price history

AskCar first saw this advert on 3 November 2026 at £15,991. 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 28 October 2027.

It has had 4 MOTs. The latest, on 22 October 2026, passed.

Advisories at the latest test: underguards fitted to front,center and rear of car.

Mileage at that test: 58,557 miles, which matches the advertised 58,888 miles.

Similar cars

4 other 2020 Audi A3 Cabriolet S Line 1.5 petrol automatic convertibles are for sale at UK dealers, from £14,795 to £20,281, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A3 Cabriolet S Line, 1.5 petrol convertible, grey. Mileage: 60,000 miles. Price: £15,950, the same price as this car. Dealer: Shire Car Sales in Stoney Stanton. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2020-12bca4945d50
  • 2020 Audi A3 Cabriolet S Line, 1.5 petrol convertible, blue. Mileage: 72,709 miles. Price: £14,795, £1,196 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2020-2839e8159491
  • 2020 Audi A3 Cabriolet S Line, 1.5 petrol convertible, blue. Mileage: 40,000 miles. Price: £19,995, £4,004 more than this car. Dealer: Bedford Specialist Cars in Bedford. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2020-09117dea396c

Browse all Audi A3 Cabriolet cars for sale · 2020 Audi A3 Cabriolet price guide

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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.