2023 Audi A3 1.5 TFSI S Line

Price: £19,985. Fair price: £840 (4%) over the AskCar estimate of £19,145, 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: 29,347 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

At 29,347 miles, this 2023 Audi A3 S Line has covered about 2,300 more miles than other 2023 Audi A3 cars. The dealer is asking £19,985, which is £840 above the AskCar estimate of £19,145. 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 car for sale 17 days ago. The seller is Sere Used Car Supermarket Lisburn, based in Lisburn. 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: £840 (4%) over the AskCar estimate of £19,145.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £19,985. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 2,300 miles higher 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: 29,090 miles. Price: £18,149, £1,836 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d4ebd12dd7a1
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 29,962 miles. Price: £18,950, £1,035 less than this car. Dealer: Stratstone Hitchin Audi in Hitchin. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6f7ff49dd1a7
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 30,038 miles. Price: £19,698, £287 less than this car. Dealer: Arnold Clark Falkirk Fiat / Abarth in Falkirk. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d8d1ad6430e1
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 90 miles from this car. Mileage: 14,151 miles. Price: £21,498, £1,513 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-52e20c752683

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

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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.