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: 25,765 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: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 25,765 miles on the clock. The dealer is asking £20,399, which is £1,410 below the AskCar estimate of £21,809. 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 76 days, and its asking price is down £1,600. The government's MOT record matches its advertised mileage. You can find this car at cinch in Doncaster. 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: £1,410 (6%) under the AskCar estimate of £21,809.

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 76 days, and its asking price has been cut by £1,600. 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 18 August 2026 at £21,999. Its asking price is now £20,399, £1,600 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 18 August 2026: £21,999
• 21 August 2026: £21,899
• 28 August 2026: £21,799
• 4 September 2026: £21,999
• 11 September 2026: £21,499
• 14 October 2026: £20,899
• 16 October 2026: £20,799
• 22 October 2026: £20,699
• 28 October 2026: £20,399

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 April 2027.

It has had one MOT, on 2 April 2026, and passed.

Advisories at the latest test: rear inner tyre worn close to legal limit/worn on edge both rear tyres low tread and worn uneven on inner edge, both sides.

Mileage at that test: 23,222 miles, which matches the advertised 25,765 miles.

Advertised mileage is about 1,200 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, blue. Mileage: 25,056 miles. Price: £21,918, £1,519 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c3a6f7651d1f
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 25,054 miles. Price: £21,690, £1,291 more than this car. Dealer: Group 1 Automotive Lowestoft Audi in Lowestoft. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0cb6368268b7
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 27,545 miles. Price: £20,995, £596 more than this car. Dealer: Rodden Road Cars in Frome. AskCar page: https://askcar.co.uk/car/audi-a3-2023-501e4fe13cf8

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 17 miles from this car. Mileage: 49,444 miles. Price: £18,490, £1,909 less than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e576df30f680