2023 Audi A3 1.0 TFSI S Line

Price: £16,595. Good value: £1,478 (8%) under the AskCar estimate of £18,073, 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: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
  • Year: 2023
  • Mileage: 42,900 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 108 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 42,900 miles, approximately 15,900 above the typical mileage for its age. The AskCar estimate for this car is £18,073. It is priced at £16,595, which is £1,478 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 30 days ago. The government's MOT record matches its advertised mileage. You can find this car at Car 4 U (LDN) in Willesden. 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

Good value: £1,478 (8%) under the AskCar estimate of £18,073.

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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £16,595. 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 12 September 2027.

It has had one MOT, on 17 August 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge 2.4; offside front tyre worn close to legal limit/worn on edge 2.1mm.

Mileage at that test: 41,528 miles, which matches the advertised 42,900 miles.

Advertised mileage is about 15,900 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 43,000 miles. Price: £19,750, £3,155 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d7994b97ab8b
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 42,565 miles. Price: £17,645, £1,050 more than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a6e91fb1f3e4
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 42,400 miles. Price: £16,990, £395 more than this car. Dealer: UK Wheels in Edgware. AskCar page: https://askcar.co.uk/car/audi-a3-2023-94b7ffeba1bc
  • The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, grey, under a mile from this car. Mileage: 44,120 miles. Price: £16,395, £200 less than this car. Dealer: Car 4 U (LDN) in Harlesden. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4801a568c3d9

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

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Photos

22 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.