2023 Audi A3 1.5 TFSI S Line

Price: £21,595. Fair price: £53 (under 1%) over the AskCar estimate of £21,542, 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) 4dr (148 bhp)
  • Year: 2023
  • Mileage: 8,469 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 8,469 miles on the clock, this 2023 Audi A3 S Line has done roughly 18,500 fewer miles than a typical 2023 Audi A3. The dealer is asking £21,595, which is £53 above the AskCar estimate of £21,542. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 45 days ago, and its asking price has since fallen by £955. Its advertised mileage matches the government's MOT record. The seller is Group 1 Automotive Stockport Audi, based in Stockport. 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: £53 (under 1%) over the AskCar estimate of £21,542.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £22,550. Its asking price is now £21,595, £955 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 18 September 2026: £22,550
  • 23 September 2026: £21,550
  • 27 September 2026: £22,150
  • 9 October 2026: £21,850
  • 14 October 2026: £21,750
  • 23 October 2026: £21,644
  • 28 October 2026: £21,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 August 2027.

It has had one MOT, on 31 July 2026, and passed.

Advisories at the latest test: under trays fitted obscuring some components.

Mileage at that test: 8,408 miles, which matches the advertised 8,469 miles.

Advertised mileage is about 18,500 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 9,191 miles. Price: £22,710, £1,115 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05485ea24bf2
  • 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 10,196 miles. Price: £18,499, £3,096 less than this car. Dealer: Vertu Skoda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-41c1189a3039
  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 10,284 miles. Price: £22,991, £1,396 more than this car. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2023-18a0df464d89
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 16 miles from this car. Mileage: 30,952 miles. Price: £19,998, £1,597 less than this car. Dealer: Arnold Clark Northwich Vauxhall / Kia in Northwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6e94268d3d75

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

More like this

Photos

75 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.