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: 8,413 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

At 8,413 miles, this 2023 Audi A3 S Line has covered about 18,600 fewer miles than other 2023 Audi A3 cars. The dealer is asking £23,550, which is £471 above the AskCar estimate of £23,079. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 66 days, and its asking price is down £1,645. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Finchley Road Audi, based in London. 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: £471 (2%) over the AskCar estimate of £23,079.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 66 days, and its asking price has been cut by £1,645. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 August 2026 at £25,195. Its asking price is now £23,550, £1,645 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

• 28 August 2026: £25,195
• 30 August 2026: £24,650
• 4 September 2026: £24,290
• 14 September 2026: £23,990
• 24 September 2026: £23,750
• 6 October 2026: £23,550

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 March 2027.

It has had one MOT, on 4 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,052 miles, which matches the advertised 8,413 miles.

Advertised mileage is about 18,600 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: 8,575 miles. Price: £23,356, £194 less than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3953533a3683
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 8,632 miles. Price: £22,100, £1,450 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-725333e86685
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 9,535 miles. Price: £22,000, £1,550 less than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-434062972fdc

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 7 miles from this car. Mileage: 25,677 miles. Price: £22,500, £1,050 less than this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3c45c10e57f5