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: 20,821 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: Black
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 20,821 miles, around 6,200 fewer miles than is typical for its age. Its asking price of £22,495 is £215 above the AskCar estimate of £22,280. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 38 days ago. The government's MOT record matches its advertised mileage. You can find this car at Hawco Group in Dundee. 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: £215 (under 1%) over the AskCar estimate of £22,280.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £22,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 March 2027.

It has had one MOT, on 23 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,351 miles, which matches the advertised 20,821 miles.

Advertised mileage is about 6,200 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, blue. Mileage: 21,300 miles. Price: £22,500, the same price as this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-43bcb45dc6b8
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 21,304 miles. Price: £21,790, £705 less than this car. Dealer: Safwat Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4ef63264a17e
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 21,429 miles. Price: £23,250, £755 more than this car. Dealer: Sytner Group Harrogate Audi in Harrogate. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c9adee9e0512

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 18 miles from this car. Mileage: 42,123 miles. Price: £19,995, £2,500 less than this car. Dealer: Cameron Motor Group Perth Audi in Perth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-52afe6210c10