2023 Audi A3 1.5 TFSI S Line

Price: £19,999. Good value: £1,771 (8%) under the AskCar estimate of £21,770, 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) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 20,212 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,212 miles on the clock, this 2023 Audi A3 S Line has done roughly 6,800 fewer miles than a typical 2023 Audi A3. Its asking price of £19,999 is £1,771 below the AskCar estimate of £21,770. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 103 days, and its asking price is down £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is HPL Wirral, based in Wirral. 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

Good value: £1,771 (8%) under the AskCar estimate of £21,770.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 103 days, and its asking price has been cut by £1,500. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 22 July 2026 at £21,499. Its asking price is now £19,999, £1,500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 22 July 2026: £21,499
  • 29 October 2026: £19,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 January 2027.

It has had one MOT, on 6 January 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside front tyre slightly damaged/cracking or perishing; and 3 more.

Mileage at that test: 17,812 miles, which matches the advertised 20,212 miles.

Advertised mileage is about 6,800 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 20,704 miles. Price: £21,295, £1,296 more than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-49d5c7952a20
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 19,348 miles. Price: £20,900, £901 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-09773abf2ab3
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 21,179 miles. Price: £20,795, £796 more than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-25e94a91a42c
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 7 miles from this car. Mileage: 46,395 miles. Price: £20,000, the same price as this car. Dealer: Assetti Motors in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0f7677e8a12a

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

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Photos

28 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.