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: 27,034 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: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 27,034 miles. The AskCar estimate for this car is £21,138. It is priced at £21,450, which is £312 above that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 31 days ago. Its asking price has since fallen by £1,000. The seller is Group 1 Automotive Southend Audi, based in Southend. 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: £312 (1%) over the AskCar estimate of £21,138.

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 31 days.

Price history

AskCar first saw this advert on 2 October 2026 at £22,450. Its asking price is now £21,450, £1,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 2 October 2026: £22,450
• 7 October 2026: £22,395
• 14 October 2026: £22,250
• 20 October 2026: £21,995
• 24 October 2026: £21,895
• 28 October 2026: £21,695
• 2 November 2026: £21,450

Similar cars

128 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, blue. Mileage: 27,233 miles. Price: £23,000, £1,550 more than this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6b8507b39372
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 26,473 miles. Price: £20,799, £651 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-30a8d086bf21
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 26,251 miles. Price: £21,150, £300 less than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9bf70e57e399

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, red, 12 miles from this car. Mileage: 23,233 miles. Price: £21,995, £545 more than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3e428bc3bdd3