2023 Audi A3 1.5 TFSI S Line

Price: £21,495. Fair price: £400 (1%) over the AskCar estimate of £21,095, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,691 priced Audi A3 adverts on AskCar as of 7 November 2026.

AskCar lists 6,887 used Audi A3 from 2,316 UK dealerships, as of 7 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: 25,010 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: White
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 25,010 miles on the clock. The dealer is asking £21,495, which is £400 above the AskCar estimate of £21,095. To work out the AskCar estimate, we analyse UK dealer adverts for 6,691 Audi A3 cars across different ages and specifications. This car was first seen in our listings data today. The seller is Acorn Kia Macclesfield, based in Macclesfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £400 (1%) over the AskCar estimate of £21,095.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,073 of the 2,115 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £21,495. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 1,900 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

138 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,930 to £24,670, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 25,124 miles. Price: £19,899, £1,596 less than this car. Dealer: Thurlow Nunn Great Yarmouth in Great Yarmouth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c259e0d9dbe3
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,339 miles. Price: £20,977, £518 less than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-aec641a79da3
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 24,632 miles. Price: £19,762, £1,733 less than this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0a10ae48e9fa
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 11 miles from this car. Mileage: 13,290 miles. Price: £20,495, £1,000 less than this car. Dealer: LSH Auto Mercedes-Benz of Stockport in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ea2509b70b62

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

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As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.