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: 22,221 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 22,221 miles, around 4,800 fewer miles than is typical for its age. The dealer is asking £23,750, which is £2,168 above the AskCar estimate of £21,582. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 39 days. Its advertised mileage matches the government's MOT record. The seller is Sytner Group Audi Reading, based in Reading. 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

Above the going rate: £2,168 (10%) over the AskCar estimate of £21,582.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £23,750. Its asking price has not changed.

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 14 September 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge on inner; offside front tyre worn close to legal limit/worn on edge on inner.

Mileage at that test: 22,024 miles, which matches the advertised 22,221 miles.

Advertised mileage is about 4,800 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, white. Mileage: 22,183 miles. Price: £21,998, £1,752 less than this car. Dealer: Arnold Clark Derby Motorstore in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1d9d32f2f766
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 22,164 miles. Price: £20,500, £3,250 less than this car. Dealer: Big Motoring World Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c9f447793eb2
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 22,642 miles. Price: £20,133, £3,617 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2023-98d74b455c16

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 37,861 miles. Price: £20,000, £3,750 less than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2023-03b2df81bcbd