2023 Audi A3 1.5 TFSI S Line

Price: £17,595. Fair price: £518 (3%) over the AskCar estimate of £17,077, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.

AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 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: 50,039 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 50,039 miles, approximately 23,400 above the typical mileage for its age. The dealer is asking £17,595, which is £518 above the AskCar estimate of £17,077. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. The asking price is now £100 lower than when we first recorded the advert 3 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Hamilton, based in Hamilton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £518 (3%) over the AskCar estimate of £17,077.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 503 for sale on AskCar, as of 4 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: 1,015 of the 1,999 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £17,695. Its asking price is now £17,595, £100 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 1 November 2026: £17,695
  • 4 November 2026: £17,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 July 2027.

It has had one MOT, on 20 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 48,966 miles, which matches the advertised 50,039 miles.

Advertised mileage is about 23,400 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

85 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 51,817 miles. Price: £17,499, £96 less than this car. Dealer: EMG Motor Group Haverhill in Haverhill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-172e591e2da6
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 51,997 miles. Price: £16,915, £680 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bb7644bc6c08
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 52,102 miles. Price: £15,930, £1,665 less than this car. Dealer: Evans Halshaw Ford Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-de84bb6e8e9b
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 13 miles from this car. Mileage: 21,628 miles. Price: £19,824, £2,229 more than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-09f8e26aaec5

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

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Photos

13 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.