2023 Audi A3 1.5 TFSI S Line
Price: £21,918. Fair price: £42 (under 1%) over the AskCar estimate of £21,876, 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 S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2023
- Mileage: 25,056 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: Blue
- CO2: 131 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2023 Audi A3 S Line is 25,056 miles. Its asking price of £21,918 is £42 above the AskCar estimate of £21,876. 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 48 days ago, and its asking price has since fallen by £1,082. It is advertised by JCT600 Hull Audi in Hessle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £42 (under 1%) over the AskCar estimate of £21,876.
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 48 days.
Price history
AskCar first saw this advert on 15 September 2026 at £23,000. Its asking price is now £21,918, £1,082 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 15 September 2026: £23,000
- 16 September 2026: £22,639
- 9 October 2026: £22,426
- 16 October 2026: £22,268
- 28 October 2026: £21,918
Mileage and MOT
Advertised mileage is about 1,900 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
41 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,499, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 25,054 miles. Price: £21,690, £228 less than this car. Dealer: Group 1 Automotive Lowestoft Audi in Lowestoft. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0cb6368268b7
- 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 25,765 miles. Price: £20,399, £1,519 less than this car. Dealer: cinch in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-403a2cf02ad3
- 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 27,545 miles. Price: £20,995, £923 less than this car. Dealer: Rodden Road Cars in Frome. AskCar page: https://askcar.co.uk/car/audi-a3-2023-501e4fe13cf8
- The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 20 miles from this car. Mileage: 38,072 miles. Price: £19,887, £2,031 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c95ac6988db6
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
41 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.