2023 Audi A3 1.5 TFSI S Line

Price: £23,998. Fair price: £1,178 (5%) over the AskCar estimate of £22,820, 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: 15,268 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: Blue
  • CO2: 131 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 15,268 miles, this 2023 Audi A3 S Line has covered about 11,700 fewer miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £22,820. It is priced at £23,998, which is £1,178 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 34 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Liverpool Motorstore / MG / Chery, based in Liverpool. 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: £1,178 (5%) over the AskCar estimate of £22,820.

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 34 days.

Price history

AskCar first saw this advert on 29 September 2026 at £23,998. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 August 2027.

It has had one MOT, on 16 July 2026, and passed.

Advisories at the latest test: nearside rear wheel/tyre protruding beyond wheel arch; nearside front tyre worn close to legal limit/worn on edge inner edge; nearside rear tyre has a cut but not deep enough to reach the ply or cords; and 1 more.

Mileage at that test: 15,018 miles, which matches the advertised 15,268 miles.

Advertised mileage is about 11,700 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, blue. Mileage: 15,580 miles. Price: £23,500, £498 less than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a
  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 15,665 miles. Price: £22,995, £1,003 less than this car. Dealer: Swansway Garages Preston Audi in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-16c309188de6
  • 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 15,692 miles. Price: £22,900, £1,098 less than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8e266ae2bbd3
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, white, 25 miles from this car. Mileage: 17,499 miles. Price: £21,799, £2,199 less than this car. Dealer: Freewheel Autos in Chorley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4fe4352c2b9e

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

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Photos

20 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.