2023 Audi A3 1.5 TFSI S Line

Price: £19,999. Fair price: £147 (under 1%) under the AskCar estimate of £20,146, 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: 17,532 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 17,532 miles on the clock, this 2023 Audi A3 S Line has done roughly 9,500 fewer miles than a typical 2023 Audi A3. Priced at £19,999, it is advertised £147 below the AskCar estimate of £20,146. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £269. The government's MOT record matches its advertised mileage. You can find this car at Trust Ford Dagenham in Barking. 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: £147 (under 1%) under the AskCar estimate of £20,146.

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

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 £20,268. Its asking price is now £19,999, £269 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 29 September 2026: £20,268
  • 8 October 2026: £20,096
  • 22 October 2026: £19,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 July 2027.

It has had one MOT, on 21 July 2026, and passed.

Advisories at the latest test: tyre slightly damaged/cracking or perishing all 4 tyres; nearside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 17,340 miles, which matches the advertised 17,532 miles.

Advertised mileage is about 9,500 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, white. Mileage: 17,500 miles. Price: £19,250, £749 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cf10b105891d
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 17,092 miles. Price: £19,838, £161 less than this car. Dealer: Lookers Nissan Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a3-2023-dd907fb78bc6
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 16,873 miles. Price: £20,998, £999 more than this car. Dealer: Arnold Clark Wolverhampton Motorstore / Vanstore in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b2af73d3e0b7
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 3 miles from this car. Mileage: 54,489 miles. Price: £15,821, £4,178 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cbcf51f6a45c

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

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Photos

43 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.