2023 Audi A3 1.0 TFSI S Line

Price: £18,999. Fair price: £274 (1%) over the AskCar estimate of £18,725, 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: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
  • Year: 2023
  • Mileage: 36,300 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 108 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,300 miles, this 2023 Audi A3 S Line has covered about 9,300 more miles than other 2023 Audi A3 cars. The dealer is asking £18,999, which is £274 above the AskCar estimate of £18,725. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 19 days. The government's MOT record matches its advertised mileage. It is for sale at Available Car Supermarket - Castle Donington in Castle Donnington. 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: £274 (1%) over the AskCar estimate of £18,725.

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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £18,999. 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 28 September 2027.

It has had one MOT, on 3 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 35,599 miles, which matches the advertised 36,300 miles.

Advertised mileage is about 9,300 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 36,155 miles. Price: £19,498, £499 more than this car. Dealer: Arnold Clark Edinburgh Sighthill Motorstore / Fiat / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5201a8f9a925
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 35,991 miles. Price: £18,998, the same price as this car. Dealer: Arnold Clark Glasgow Garscube Road Vauxhall / Leapmotor in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9d1fd0c82b95
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 35,807 miles. Price: £18,999, the same price as this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7e384658d51f
  • The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, blue, 6 miles from this car. Mileage: 37,443 miles. Price: £19,000, the same price as this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-56563413a5e5

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

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Photos

41 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.