2023 Audi A3 1.5 TFSI S Line

Price: £21,480. Fair price: £837 (4%) over the AskCar estimate of £20,643, 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: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 11,896 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 11,896 miles on the clock, this 2023 Audi A3 S Line has done roughly 15,100 fewer miles than a typical 2023 Audi A3. The AskCar estimate for this car is £20,643. It is priced at £21,480, which is £837 above 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. We first saw this car advertised 30 days ago. Its asking price has since fallen by £510. We checked its advertised mileage against the government's MOT record, and they match. The seller is Harwoods Five Oaks Audi, based in Five Oaks. 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: £837 (4%) over the AskCar estimate of £20,643.

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 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £21,990. Its asking price is now £21,480, £510 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 3 October 2026: £21,990
  • 16 October 2026: £21,690
  • 29 October 2026: £21,480

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 October 2027.

It has had one MOT, on 30 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,900 miles, which matches the advertised 11,896 miles.

Advertised mileage is about 15,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 11,567 miles. Price: £21,070, £410 less than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4e5ddd85abec
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 11,443 miles. Price: £19,404, £2,076 less than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-50f29e96296d
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 10,610 miles. Price: £20,130, £1,350 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-d47dec38e158
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 16 miles from this car. Mileage: 7,083 miles. Price: £22,222, £742 more than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7d1be8c32370

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

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Photos

54 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.