2023 Audi A3 1.0 TFSI S Line

Price: £18,695. Fair price: £1,097 (5%) under the AskCar estimate of £19,792, 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: 25,000 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: White
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 25,000 miles on the clock. Priced at £18,695, it is advertised £1,097 below the AskCar estimate of £19,792. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 34 days ago. The latest MOT recorded 25,540 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 10 August 2027. It is advertised by 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

Fair price: £1,097 (5%) under the AskCar estimate of £19,792.

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 34 days.

Price history

AskCar first saw this advert on 29 September 2026 at £17,795. Its asking price is now £18,695, £900 more.

Price changes recorded:

  • 29 September 2026: £17,795
  • 28 October 2026: £18,695
  • 29 October 2026: £18,095
  • 30 October 2026: £18,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 August 2027.

It failed its MOT on 15 June 2026 (front registration plate does not conform to the specified requirements; rear registration plate does not conform to the specified requirements) and passed 57 days later, on 11 August 2026.

Advisories at the latest test: offside front windscreen wiper blade defective.

Mileage at that test: 25,540 miles. The advert says 25,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,000 miles lower 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, black. Mileage: 24,997 miles. Price: £18,349, £346 less than this car. Dealer: Motorpoint Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f8d0938049f0
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 24,720 miles. Price: £17,995, £700 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7bac09140659
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 24,677 miles. Price: £18,800, £105 more than this car. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3ff5e80e1c28
  • 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, £2,300 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

17 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.