2021 Audi A5 Cabriolet 2.0 TFSI S Line

Price: £23,990. Fair price: £606 (2%) over the AskCar estimate of £23,384, our expected asking price for this car from its model, age, mileage and specification, drawing on 214 priced Audi A5 Cabriolet adverts on AskCar as of 14 November 2026.

AskCar lists 227 used Audi A5 Cabriolet from 199 UK dealerships, as of 14 November 2026.

Overview

  • Make: Audi
  • Model: A5 Cabriolet
  • Trim: S Line
  • Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 2dr (201 bhp)
  • Year: 2021
  • Mileage: 42,568 miles
  • Fuel: Petrol, mild hybrid
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 163 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 42,568 miles on the clock, this 2021 Audi A5 Cabriolet S Line has done roughly 4,100 more miles than a typical 2021 Audi A5 Cabriolet. Its asking price of £23,990 is £606 above the AskCar estimate of £23,384. The AskCar estimate uses UK dealer asking prices, including 214 Audi A5 Cabriolet adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Lowestoft Audi, based in Lowestoft. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Group 1 Automotive Lowestoft Audi is rated 4.1 out of 5 on Google.

Price

Fair price: £606 (2%) over the AskCar estimate of £23,384.

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 214 priced Audi A5 Cabriolet adverts across different ages and specifications, as of 14 November 2026.

A 2021 Audi A5 Cabriolet with the 2.0 petrol engine is typically advertised at £23,900: the median of the 12 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 Audi A5 Cabriolet advertised today.

Price history

AskCar first saw this advert on 14 November 2026 at £23,990. 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 14 November 2026: valid until 30 March 2027.

It failed its MOT on 31 March 2026 (nearside front tyre tread depth below requirements of 1.6mm 255/35R19; offside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 37,464 miles, which matches the advertised 42,568 miles.

Advertised mileage is about 4,100 miles higher than the median mileage of a 2021 Audi A5 Cabriolet on AskCar.

Similar cars

5 other 2021 Audi A5 Cabriolet S Line 2.0 petrol automatic convertibles are for sale at UK dealers, from £21,490 to £24,099, as of 14 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A5 Cabriolet S Line, 2.0 petrol convertible, black. Mileage: 34,730 miles. Price: £24,050, £60 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2021-f27fa7953147
  • 2021 Audi A5 Cabriolet S Line, 2.0 petrol convertible, blue. Mileage: 33,900 miles. Price: £21,490, £2,500 less than this car. Dealer: BSB Automotive in Dartford. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2021-b43844a592b2
  • 2021 Audi A5 Cabriolet S Line, 2.0 petrol convertible, blue. Mileage: 33,771 miles. Price: £23,790, £200 less than this car. Dealer: Safwat Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2021-60c7e470210d

Browse all Audi A5 Cabriolet cars for sale · 2021 Audi A5 Cabriolet price guide

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Photos

50 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.