2023 Audi A3 1.5 TFSI S Line

Price: £22,824. Fair price: £8 (under 1%) under the AskCar estimate of £22,832, 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 S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2023
  • Mileage: 14,500 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 131 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 14,500 miles, around 12,200 fewer miles than is typical for its age. Its asking price of £22,824 is £8 below the AskCar estimate of £22,832. The AskCar estimate uses UK dealer asking prices, including 6,630 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 42 days ago, the asking price has dropped by £1,049. Its advertised mileage matches the government's MOT record. It is for sale at Lookers Audi Teesside in Stockton-on-Tees. 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: £8 (under 1%) under the AskCar estimate of £22,832.

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

This 2023 Audi A3 has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 23 September 2026 at £23,873. Its asking price is now £22,824, £1,049 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 23 September 2026: £23,873
  • 25 September 2026: £23,838
  • 30 September 2026: £23,735
  • 8 October 2026: £23,498
  • 16 October 2026: £23,398
  • 23 October 2026: £23,298
  • 27 October 2026: £23,137
  • 4 November 2026: £22,824

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 September 2027.

It has had one MOT, on 17 September 2026, and passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing Cracking/Worn; nearside front tyre slightly damaged/cracking or perishing Cracking/Worn.

Mileage at that test: 14,179 miles, which matches the advertised 14,500 miles.

Advertised mileage is about 12,200 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

42 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £27,898, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 14,552 miles. Price: £23,499, £675 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2023-555263029aad
  • 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 15,268 miles. Price: £23,998, £1,174 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9ad50fb57016
  • 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 15,580 miles. Price: £23,500, £676 more than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, under a mile from this car. Mileage: 6,329 miles. Price: £23,498, £674 more than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5e3152d68648

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

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Photos

34 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.