2023 Audi A3 1.4 TFSIe S Line Competition

Price: £20,360. Fair price: £76 (under 1%) under the AskCar estimate of £20,436, 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: 45,276 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

With 45,276 miles on the clock, this 2023 Audi A3 S Line Competition has done roughly 18,300 more miles than a typical 2023 Audi A3. The dealer is asking £20,360, which is £76 below the AskCar estimate of £20,436. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £250 lower than when we first recorded the advert 3 days ago. It is advertised by Big Motoring World Enfield in Waltham Cross. 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: £76 (under 1%) under the AskCar estimate of £20,436.

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

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 £20,610. Its asking price is now £20,360, £250 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 30 October 2026: £20,610
  • 31 October 2026: £20,370
  • 1 November 2026: £20,360

Mileage and MOT

Advertised mileage is about 18,300 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 £16,985 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: 45,745 miles. Price: £20,995, £635 more than this car. Dealer: Group 1 Automotive Macclesfield Audi in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5c12bc3bcf05
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, grey. Mileage: 47,032 miles. Price: £20,475, £115 more than this car. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1e7331e5fbca
  • 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, white. Mileage: 51,600 miles. Price: £18,695, £1,665 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2023-76a5abc89d18
  • The nearest: 2023 Audi A3 S Line Competition, 1.4 plug-in hybrid hatchback, red, 35 miles from this car. Mileage: 11,000 miles. Price: £25,990, £5,630 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-fe136bcba3b2

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.