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: 17,499 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: White
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 17,499 miles, approximately 9,500 below the typical mileage for its age. The dealer is asking £21,799, which is £803 below the AskCar estimate of £22,602. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 51 days ago. Its asking price has since fallen by £723. The seller is Freewheel Autos, based in Chorley. 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: £803 (3%) under the AskCar estimate of £22,602.

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 51 days.

Price history

AskCar first saw this advert on 12 September 2026 at £22,522. Its asking price is now £21,799, £723 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 12 September 2026: £22,522
• 22 October 2026: £21,799

Mileage and MOT

Advertised mileage is about 9,500 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: 17,287 miles. Price: £21,990, £191 more than this car. Dealer: Group 1 Automotive Lowestoft Audi in Lowestoft. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4e601761ea87
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 18,423 miles. Price: £22,990, £1,191 more than this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a2b145b4775d
• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 18,596 miles. Price: £22,698, £899 more than this car. Dealer: Group 1 Automotive Audi Approved Colchester in Colchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6263aeee195b

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 8 miles from this car. Mileage: 15,665 miles. Price: £22,995, £1,196 more than this car. Dealer: Swansway Garages Preston Audi in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-16c309188de6