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: 15,665 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: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 15,665 miles. Its asking price of £22,995 is £214 above the AskCar estimate of £22,781. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 35 days ago. Its asking price has since fallen by £500. Ask the dealer why the advert shows fewer miles than the 16,278 recorded at the latest MOT. MOT records show an expiry date of 27 September 2027. The seller is Swansway Garages Preston Audi, based in Preston. 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: £214 (under 1%) over the AskCar estimate of £22,781.

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 35 days.

Price history

AskCar first saw this advert on 28 September 2026 at £23,495. Its asking price is now £22,995, £500 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 28 September 2026: £23,495
• 8 October 2026: £23,445
• 16 October 2026: £22,695
• 21 October 2026: £22,690
• 25 October 2026: £23,495
• 26 October 2026: £22,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 16,278 miles. The advert says 15,665 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 11,300 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, black. Mileage: 15,692 miles. Price: £22,900, £95 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: 15,580 miles. Price: £23,500, £505 more than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a
• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 15,991 miles. Price: £21,695, £1,300 less than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ee0a854184b6

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, white, 8 miles from this car. Mileage: 17,499 miles. Price: £21,799, £1,196 less than this car. Dealer: Freewheel Autos in Chorley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4fe4352c2b9e