2023 Audi A3 1.5 TFSI S Line

Price: £20,995. Fair price: £815 (4%) over the AskCar estimate of £20,180, 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: 36,250 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: Grey
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 36,250 miles, around 9,300 more miles than is typical for its age. Priced at £20,995, it is advertised £815 above the AskCar estimate of £20,180. 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 today. The seller is Listers Audi Coventry, based in Coventry. 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: £815 (4%) over the AskCar estimate of £20,180.

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 today. 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 2 November 2026 at £20,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 9,300 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, black. Mileage: 36,386 miles. Price: £19,704, £1,291 less than this car. Dealer: Johnsons Hyundai Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-816cee97bfb6
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 36,427 miles. Price: £21,498, £503 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, £525 less than this car. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2d303b6c4dd3
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 15 miles from this car. Mileage: 34,368 miles. Price: £19,750, £1,245 less than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e341e2c9a3ba

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

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Photos

1 photo of this car is 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.