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: 21,429 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: Blue
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 21,429 miles, approximately 5,600 below the typical mileage for its age. The AskCar estimate for this car is £22,221. It is priced at £23,250, which is £1,029 above that estimate. 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 65 days, and its asking price is down £1,250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Harrogate Audi, based in Harrogate. 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: £1,029 (4%) over the AskCar estimate of £22,221.

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 65 days, and its asking price has been cut by £1,250. 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 29 August 2026 at £24,500. Its asking price is now £23,250, £1,250 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 29 August 2026: £24,500
• 17 September 2026: £24,250
• 30 September 2026: £23,950
• 7 October 2026: £23,750
• 22 October 2026: £23,500
• 31 October 2026: £23,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 April 2027.

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

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

Mileage at that test: 19,057 miles, which matches the advertised 21,429 miles.

Advertised mileage is about 5,600 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: 21,472 miles. Price: £21,900, £1,350 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-727a75058140
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 21,304 miles. Price: £21,790, £1,460 less than this car. Dealer: Safwat Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4ef63264a17e
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 21,300 miles. Price: £22,500, £750 less than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-43bcb45dc6b8

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 16 miles from this car. Mileage: 15,580 miles. Price: £23,500, £250 more than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a