2023 Audi A3 1.5 TFSI Sport

Price: £21,491. Above the going rate: £1,740 (8%) over the AskCar estimate of £19,751, 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: Sport
  • Version: 1.5 TFSI 35 Sport S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 18,416 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 130 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 Sport has covered 18,416 miles, around 8,600 fewer miles than is typical for its age. Priced at £21,491, it is advertised £1,740 above the AskCar estimate of £19,751. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 61 days, and its asking price is down £500. 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 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,740 (8%) over the AskCar estimate of £19,751.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 61 days, and its asking price has been cut by £500. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 September 2026 at £21,991. Its asking price is now £21,491, £500 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

  • 2 September 2026: £21,991
  • 13 October 2026: £21,491

Mileage and MOT

Advertised mileage is about 8,600 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

30 other 2023 Audi A3 Sport 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,846 to £21,500, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 Sport, 1.5 petrol hatchback, black. Mileage: 18,430 miles. Price: £20,750, £741 less than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d72a0edcc4e1
  • 2023 Audi A3 Sport, 1.5 petrol hatchback, red. Mileage: 19,102 miles. Price: £18,249, £3,242 less than this car. Dealer: Motorpoint Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6f06e831c605
  • 2023 Audi A3 Sport, 1.5 petrol hatchback, white. Mileage: 19,969 miles. Price: £19,250, £2,241 less than this car. Dealer: Mon Motors Cheltenham Audi in Cheltenham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a0827b5f9c0e
  • The nearest: 2023 Audi A3 Sport, 1.5 petrol hatchback, silver, 18 miles from this car. Mileage: 23,080 miles. Price: £19,180, £2,311 less than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2023-221ac5b6da8b

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

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Photos

40 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.