2023 Audi A3 1.5 TFSI S Line

Price: £19,681. Fair price: £740 (3%) under the AskCar estimate of £20,421, 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 S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 34,042 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: Yellow
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 34,042 miles on the clock, this 2023 Audi A3 S Line has done roughly 7,000 more miles than a typical 2023 Audi A3. Priced at £19,681, it is advertised £740 below the AskCar estimate of £20,421. 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 157 days, and its asking price is down £1,314. The seller is Pentagon Huddersfield, based in Huddersfield. 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: £740 (3%) under the AskCar estimate of £20,421.

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 157 days, and its asking price has been cut by £1,314. 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 29 May 2026 at £20,995. Its asking price is now £19,681, £1,314 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

  • 29 May 2026: £20,995
  • 4 June 2026: £19,995
  • 16 June 2026: £19,678
  • 17 June 2026: £19,495
  • 25 June 2026: £19,265
  • 3 July 2026: £18,995
  • 9 July 2026: £18,895
  • 16 July 2026: £18,695
  • 23 July 2026: £18,349
  • 29 July 2026: £18,549
  • 6 August 2026: £18,495
  • 13 August 2026: £18,390
  • 20 August 2026: £19,495
  • 27 August 2026: £18,995
  • 2 September 2026: £18,490
  • 16 September 2026: £19,559
  • 20 September 2026: £18,490
  • 6 October 2026: £20,056
  • 10 October 2026: £19,999
  • 11 October 2026: £19,749
  • 15 October 2026: £19,582
  • 18 October 2026: £18,999
  • 24 October 2026: £18,857
  • 25 October 2026: £18,793
  • 28 October 2026: £19,681

Mileage and MOT

Advertised mileage is about 7,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 34,062 miles. Price: £19,635, the same price as this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ab3a974dccc2
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 33,781 miles. Price: £20,995, £1,314 more than this car. Dealer: Lake District Audi in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-304b7e8c68a2
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,368 miles. Price: £19,750, £69 more than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e341e2c9a3ba
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 55,764 miles. Price: £18,998, £683 less than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d52f90cac45

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

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Photos

25 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.