2023 Audi A3 1.4 TFSIe S Line Competition

Price: £17,599. Fair price: £861 (4%) under the AskCar estimate of £18,460, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,691 priced Audi A3 adverts on AskCar as of 7 November 2026.

AskCar lists 6,887 used Audi A3 from 2,316 UK dealerships, as of 7 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line Competition
  • Version: 1.4 45 S Line Competition S tronic FWD Euro 6 5dr (241 bhp)
  • Year: 2023
  • Mileage: 66,503 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.4 litres, 241 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 30 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line Competition is advertised with 66,503 miles, approximately 39,600 above the typical mileage for its age. Its asking price of £17,599 is £861 below the AskCar estimate of £18,460. To work out the AskCar estimate, we analyse UK dealer adverts for 6,691 Audi A3 cars across different ages and specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is HPL Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £861 (4%) under the AskCar estimate of £18,460.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £18,300: the median of the 184 for sale on AskCar, as of 7 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: 1,073 of the 2,115 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £17,599. 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 7 November 2026: valid until 21 June 2027.

It failed its MOT on 26 May 2026 (front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 56,618 miles, which matches the advertised 66,503 miles.

Advertised mileage is about 39,600 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

15 other 2023 Audi A3 S Line Competition 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £16,985 to £26,971, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, blue. Mileage: 67,825 miles. Price: £17,495, £104 less than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bc4d5eac0373
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, blue. Mileage: 71,727 miles. Price: £16,985, £614 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0341116bd1a4
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, black. Mileage: 59,494 miles. Price: £20,950, £3,351 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-a3-2023-31002267e9c2
  • The nearest: 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, grey, 6 miles from this car. Mileage: 36,972 miles. Price: £20,995, £3,396 more than this car. Dealer: Motor Trust UK Garstang in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-99976945a1a7

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

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Photos

7 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.