2023 Audi A3 1.5 TFSI S Line

Price: £19,704. Fair price: £462 (2%) under the AskCar estimate of £20,166, 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: 36,386 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: Black
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 36,386 miles, approximately 9,400 above the typical mileage for its age. Priced at £19,704, it is advertised £462 below the AskCar estimate of £20,166. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 3 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Johnsons Hyundai Liverpool in Bootle. 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: £462 (2%) under the AskCar estimate of £20,166.

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

AskCar first saw this 2023 Audi A3 advertised 3 days ago. 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 30 October 2026 at £19,704. 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 27 March 2027.

It failed its MOT on 19 March 2026 (offside front tyre has ply or cords exposed 225/40/18) and passed 1 day later, on 20 March 2026.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge 2.9 mm.

Mileage at that test: 29,047 miles, which matches the advertised 36,386 miles.

Advertised mileage is about 9,400 miles higher 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, blue. Mileage: 36,427 miles. Price: £21,498, £1,794 more than this car. Dealer: Arnold Clark in Telford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-268cb34eabd1
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 36,484 miles. Price: £20,470, £766 more than this car. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2d303b6c4dd3
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 36,250 miles. Price: £20,995, £1,291 more than this car. Dealer: Listers Audi Coventry in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2023-86ca2e6bde57
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 3 miles from this car. Mileage: 25,825 miles. Price: £20,895, £1,191 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22253f4cc9f3

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

More like this

Photos

5 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.