2023 Audi A3 1.5 TFSI S Line

Price: £22,490. Fair price: £54 (under 1%) over the AskCar estimate of £22,436, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.

AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 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

At 18,931 miles, this 2023 Audi A3 S Line has covered about 7,800 fewer miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £22,436. It is priced at £22,490, which is £54 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,645 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 12 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 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £54 (under 1%) over the AskCar estimate of £22,436.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 513 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 12 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 7,800 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 £27,898, as of 5 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, grey. Mileage: 20,133 miles. Price: £21,999, £491 less than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-342f93e391b6
  • 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

5 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.