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: 25,124 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

The advertised mileage for this 2023 Audi A3 S Line is 25,124 miles. Priced at £20,199, it is advertised £1,114 below the AskCar estimate of £21,313. 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 38 days ago. Its asking price has since fallen by £1,301. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Thurlow Nunn Great Yarmouth, based in Great Yarmouth. 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: £1,114 (5%) under the AskCar estimate of £21,313.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £21,500. Its asking price is now £20,199, £1,301 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 25 September 2026: £21,500
• 1 October 2026: £21,249
• 18 October 2026: £20,999
• 28 October 2026: £20,199

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 September 2027.

It has had 2 MOTs. The latest, on 25 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 25,124 miles, which matches the advertised 25,124 miles.

Advertised mileage is about 1,900 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, grey. Mileage: 25,604 miles. Price: £20,495, £296 more than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0a71b05d2e29
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 24,632 miles. Price: £20,000, £199 less than this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0a10ae48e9fa
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,677 miles. Price: £22,500, £2,301 more than this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3c45c10e57f5

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, black, 19 miles from this car. Mileage: 9,535 miles. Price: £22,000, £1,801 more than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-434062972fdc