2023 Audi A3 1.0 TFSI S Line

Price: £18,990. Fair price: £458 (2%) over the AskCar estimate of £18,532, 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 Manual FWD Euro 6 (s/s) 4dr (108 bhp)
  • Year: 2023
  • Mileage: 26,881 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.0 litres, 108 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 128 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Audi A3 S Line is 26,881 miles. Priced at £18,990, it is advertised £458 above the AskCar estimate of £18,532. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 39 days ago, and its asking price has since fallen by £300. Its advertised mileage matches the government's MOT record. The seller is Harwoods Portsmouth Audi, based in Portsmouth. 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: £458 (2%) over the AskCar estimate of £18,532.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £19,290. Its asking price is now £18,990, £300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 24 September 2026: £19,290
  • 1 October 2026: £19,790
  • 17 October 2026: £19,750
  • 22 October 2026: £19,690
  • 24 October 2026: £19,640
  • 28 October 2026: £19,540
  • 30 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 March 2027.

It has had one MOT, on 22 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,924 miles, which matches the advertised 26,881 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

19 other 2023 Audi A3 S Line 1.0 petrol manual saloons are for sale at UK dealers, from £12,800 to £20,999, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.0 petrol saloon, grey. Mileage: 26,773 miles. Price: £19,498, £508 more than this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-10c8353b1a7c
  • 2023 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 26,513 miles. Price: £17,990, £1,000 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ebb1db94f705
  • 2023 Audi A3 S Line, 1.0 petrol saloon, grey. Mileage: 24,122 miles. Price: £18,750, £240 less than this car. Dealer: Stratstone Warrington Audi in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-eeae99324889
  • The nearest: 2023 Audi A3 S Line, 1.0 petrol saloon, grey, 39 miles from this car. Mileage: 11,371 miles. Price: £19,995, £1,005 more than this car. Dealer: Norman Motors (Poole) in Poole. AskCar page: https://askcar.co.uk/car/audi-a3-2023-409023e3632e

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

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Photos

53 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.