2023 Audi A3 1.5 TFSI S Line

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: 15,580 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

This 2023 Audi A3 S Line has covered 15,580 miles, around 11,400 fewer miles than is typical for its age. Its asking price of £23,500 is £710 above the AskCar estimate of £22,790. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 57 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Group Leeds Audi, based in Leeds. 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: £710 (3%) over the AskCar estimate of £22,790.

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 57 days.

Price history

AskCar first saw this advert on 6 September 2026 at £24,500. Its asking price is now £23,500, £1,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 6 September 2026: £24,500
• 7 October 2026: £24,000
• 14 October 2026: £23,500

Mileage and MOT

It has had one MOT, on 7 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,580 miles, which matches the advertised 15,580 miles.

Advertised mileage is about 11,400 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: 15,665 miles. Price: £22,995, £505 less than this car. Dealer: Swansway Garages Preston Audi in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-16c309188de6
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 15,692 miles. Price: £22,900, £600 less than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8e266ae2bbd3
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 15,268 miles. Price: £23,998, £498 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9ad50fb57016

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, under a mile from this car. Mileage: 21,300 miles. Price: £22,500, £1,000 less than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-43bcb45dc6b8