2023 Audi A3 1.5 TFSI S Line

Price: £19,998. Fair price: £447 (2%) over the AskCar estimate of £19,551, 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
  • Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 24,482 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 24,482 miles, around 2,500 fewer miles than is typical for its age. Priced at £19,998, it is advertised £447 above the AskCar estimate of £19,551. 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 advert 46 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Kilmarnock Citroen Vanstore, based in Kilmarnock. 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: £447 (2%) over the AskCar estimate of £19,551.

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 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 17 September 2026 at £20,498. Its asking price is now £19,998, £500 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

  • 17 September 2026: £20,498
  • 6 October 2026: £19,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 June 2027.

It failed its MOT on 9 June 2026 (offside front tyre tread depth below requirements of 1.6mm; nearside 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: 24,106 miles, which matches the advertised 24,482 miles.

Advertised mileage is about 2,500 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 24,305 miles. Price: £19,250, £748 less than this car. Dealer: Peter Watson Garage in Skipton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8d4c974efb13
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 23,978 miles. Price: £19,895, £103 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e1a1f4d6c19a
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,882 miles. Price: £20,295, £297 more than this car. Dealer: Group 1 Automotive Audi Harold Wood in Harold Wood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8d08334aa044
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 10 miles from this car. Mileage: 14,151 miles. Price: £21,498, £1,500 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-52e20c752683

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

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Photos

20 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.