2023 Audi A3 1.5 TFSI S Line

Price: £19,440. Fair price: £322 (1%) under the AskCar estimate of £19,762, 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: 21,991 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,991 miles on the clock, this 2023 Audi A3 S Line has done roughly 5,000 fewer miles than a typical 2023 Audi A3. Its asking price of £19,440 is £322 below the AskCar estimate of £19,762. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £2,020. It is advertised by Big Motoring World Blue Bell Hill in Chatham. 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: £322 (1%) under the AskCar estimate of £19,762.

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 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £21,460. Its asking price is now £19,440, £2,020 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 15 October 2026: £21,460
  • 16 October 2026: £19,340
  • 17 October 2026: £19,310
  • 19 October 2026: £19,670
  • 24 October 2026: £19,650
  • 28 October 2026: £19,440

Mileage and MOT

Advertised mileage is about 5,000 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, blue. Mileage: 22,142 miles. Price: £19,495, £55 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5372acc15096
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 21,628 miles. Price: £19,927, £487 more than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-09f8e26aaec5
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 21,169 miles. Price: £20,500, £1,060 more than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2788c5fc8eaf
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 10,610 miles. Price: £20,130, £690 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d47dec38e158

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

More like this

Photos

26 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.