2023 Audi A3 1.4 TFSIe S Line Competition

Price: £16,985. Fair price: £382 (2%) under the AskCar estimate of £17,367, 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 Competition
  • Version: 1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)
  • Year: 2023
  • Mileage: 71,727 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.4 litres, 242 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 30 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line Competition has covered 71,727 miles, around 44,700 more miles than is typical for its age. The AskCar estimate for this car is £17,367. It is priced at £16,985, which is £382 below that estimate. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 11 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Autochoice Car Supermarket, based in Blackburn. 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: £382 (2%) under the AskCar estimate of £17,367.

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 1.4 plug-in hybrid engine is typically advertised at £18,400: the median of the 180 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £16,985. 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 8 June 2027.

It failed its MOT on 29 May 2026 (offside front shock absorbers has a serious fluid leak; nearside front shock absorbers has a serious fluid leak; offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; and 3 more) and passed 11 days later, on 9 June 2026.

There were no advisories at the latest test.

Mileage at that test: 71,720 miles, which matches the advertised 71,727 miles.

Advertised mileage is about 44,700 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

14 other 2023 Audi A3 S Line Competition 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £17,895 to £26,971, as of 2 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: £17,895, £910 more 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, black. Mileage: 59,494 miles. Price: £20,950, £3,965 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-a3-2023-31002267e9c2
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, white. Mileage: 51,600 miles. Price: £18,695, £1,710 more than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2023-76a5abc89d18

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

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Photos

16 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.