2023 Audi A3 1.4 TFSIe S Line Competition

Price: £20,950. Fair price: £1,333 (6%) over the AskCar estimate of £19,617, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line Competition
  • Version: 1.4 45 S Line Competition S tronic FWD Euro 6 5dr (241 bhp)
  • Year: 2023
  • Mileage: 59,494 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.4 litres, 241 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 30 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line Competition is advertised with 59,494 miles, approximately 32,500 above the typical mileage for its age. Its asking price of £20,950 is £1,333 above the AskCar estimate of £19,617. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this car for sale 38 days ago. The government's MOT record matches its advertised mileage. You can find this car at Jack Reid Cars in Carrickfergus. 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: £1,333 (6%) over the AskCar estimate of £19,617.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £18,400: the median of the 180 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £20,950. 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 2 November 2026: valid until 28 February 2027.

It failed its MOT on 5 February 2026 (offside front shock absorbers has a serious fluid leak; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside front tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 6 February 2026.

There were no advisories at the latest test.

Mileage at that test: 58,297 miles, which matches the advertised 59,494 miles.

Advertised mileage is about 32,500 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

14 other 2023 Audi A3 S Line Competition 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £16,985 to £26,971, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, white. Mileage: 51,600 miles. Price: £18,695, £2,255 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2023-76a5abc89d18
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, blue. Mileage: 67,825 miles. Price: £17,895, £3,055 less than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bc4d5eac0373
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, blue. Mileage: 71,727 miles. Price: £16,985, £3,965 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0341116bd1a4
  • The nearest: 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, blue, 132 miles from this car. Mileage: 26,511 miles. Price: £22,849, £1,899 more than this car. Dealer: Motorpoint Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5473bd16117c

Browse all Audi A3 cars for sale · 2023 Audi A3 price guide

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Photos

23 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.