2018 Audi A3 Cabriolet 1.6 TDI S Line

Overview

• Make: Audi
• Model: A3 Cabriolet
• Trim: S Line
• Version: 1.6 TDI S Line Manual FWD Euro 6 (s/s) 2dr (108 bhp)
• Year: 2018
• Mileage: 45,844 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.6 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 Cabriolet S Line is advertised with 45,844 miles on the clock. Its asking price of £11,999 is £853 below the AskCar estimate of £12,852. The AskCar estimate draws on 235 Audi A3 Cabriolet adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,700. Our latest MOT record expired on 3 November 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by T Wall Approved in Kingswinford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £853 (6%) under the AskCar estimate of £12,852.

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 235 priced Audi A3 Cabriolet adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2018 Audi A3 Cabriolet has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,699. Its asking price is now £11,999, £1,700 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 May 2026: £13,699
• 24 July 2026: £12,999
• 18 September 2026: £12,799
• 16 October 2026: £12,499
• 17 October 2026: £12,399
• 29 October 2026: £11,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 3 November 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 4 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 45,237 miles, which matches the advertised 45,844 miles.

Similar cars

1 other 2018 Audi A3 Cabriolet S Line 1.6 diesel manual convertible is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

• 2018 Audi A3 Cabriolet S Line, 1.6 diesel convertible, black. Mileage: 49,255 miles. Price: £11,495, £504 less than this car. Dealer: Culloden Car Sales in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2018-391fd4099955