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: 14,853 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 is advertised with 14,853 miles, approximately 12,100 below the typical mileage for its age. Priced at £20,499, it is advertised £1,780 below the AskCar estimate of £22,279. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 19 days ago, the asking price has dropped by £1,500. The government's MOT record matches its advertised mileage. You can find this car at Automania Specialist Cars in West Bromwich. 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: £1,780 (7%) under the AskCar estimate of £22,279.

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 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £21,999. Its asking price is now £20,499, £1,500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 14 October 2026: £21,999
• 22 October 2026: £21,499
• 30 October 2026: £20,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 September 2027.

It has had one MOT, on 11 September 2026, and passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged.

Mileage at that test: 14,705 miles, which matches the advertised 14,853 miles.

Advertised mileage is about 12,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

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: 14,775 miles. Price: £22,500, £2,001 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ccfec5deb7c9
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 14,642 miles. Price: £22,350, £1,851 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-679f31aefe1a
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 15,150 miles. Price: £22,898, £2,399 more than this car. Dealer: Group 1 Automotive Audi Approved Colchester in Colchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cdb3e0dd0acc

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 5 miles from this car. Mileage: 59,445 miles. Price: £16,930, £3,569 less than this car. Dealer: Evans Halshaw BYD Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9c0fa951cb7e