2023 Audi A3 1.5 TFSI S Line

Price: £22,490. Fair price: £28 (under 1%) over the AskCar estimate of £22,462, 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 S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2023
  • Mileage: 18,931 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 131 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 18,931 miles, around 8,100 fewer miles than is typical for its age. The dealer is asking £22,490, which is £28 above the AskCar estimate of £22,462. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 9 days ago. The seller is Swansway Garages Crewe Audi, based in Crewe. 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: £28 (under 1%) over the AskCar estimate of £22,462.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £22,490. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 8,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

41 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,499, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 18,596 miles. Price: £22,698, £208 more than this car. Dealer: Group 1 Automotive Audi Approved Colchester in Colchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6263aeee195b
  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 18,423 miles. Price: £22,990, £500 more than this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a2b145b4775d
  • 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 17,499 miles. Price: £21,799, £691 less than this car. Dealer: Freewheel Autos in Chorley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4fe4352c2b9e
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, under a mile from this car. Mileage: 72,284 miles. Price: £16,290, £6,200 less than this car. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1c928d32ffbe

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

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Photos

53 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.