2023 Audi A3 1.5 TFSI S Line

Price: £18,798. Fair price: £631 (3%) under the AskCar estimate of £19,429, 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: 25,937 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 25,937 miles. The AskCar estimate for this car is £19,429. It is priced at £18,798, which is £631 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. The dealer may accept less. This car has been on sale for at least 68 days, and its asking price is down £200. The seller is Carsa Bolton, based in Bolton. 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: £631 (3%) under the AskCar estimate of £19,429.

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 68 days, and its asking price has been cut by £200. 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 26 August 2026 at £18,998. Its asking price is now £18,798, £200 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 26 August 2026: £18,998
  • 23 October 2026: £18,798

Mileage and MOT

Advertised mileage is about 1,100 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, grey. Mileage: 26,027 miles. Price: £17,990, £808 less than this car. Dealer: MinsterMotorGroup.com in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1ad2f3db287c
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,846 miles. Price: £19,290, £492 more than this car. Dealer: Direct Cars in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-942c00f8a5ab
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,649 miles. Price: £18,950, £152 more than this car. Dealer: Mon Motors Bristol Audi in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c3997744ef1d
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 4 miles from this car. Mileage: 36,402 miles. Price: £18,482, £316 less than this car. Dealer: Oakwood Motor Company in Bury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-16806810663b

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

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Photos

32 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.