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) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 54,320 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 54,320 miles, approximately 27,300 above the typical mileage for its age. We first recorded this car for sale 9 days ago. Its advertised mileage matches the government's MOT record. It is advertised by CarSupermarket.com Grimsby in North East Lincolnshire. 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

We couldn't read this dealer's website on 2 November 2026, so this price was last confirmed on 1 November 2026 and we haven't given an AskCar estimate.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £18,977. 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 29 September 2027.

It has had one MOT, on 30 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 52,990 miles, which matches the advertised 54,320 miles.

Advertised mileage is about 27,300 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

129 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 55,000 miles. Price: £17,995, £982 less than this car. Dealer: Moy Auto Services in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-44f5c0bc6d5d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 55,125 miles. Price: £18,681, £296 less than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-dab258e3e967
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 55,764 miles. Price: £18,998, the same price as this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d52f90cac45

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 42 miles from this car. Mileage: 12,551 miles. Price: £23,700, £4,723 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-86a235ee97d8