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: 25,604 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: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 25,604 miles. The AskCar estimate for this car is £21,269. It is priced at £20,495, which is £774 below 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 158 days, and its asking price has been cut by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Witham Garage in Melton Mowbray. 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: £774 (3%) under the AskCar estimate of £21,269.

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 158 days, and its asking price has been cut by £1,300. 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 May 2026 at £21,795. Its asking price is now £20,495, £1,300 less. The latest price cut was seen on 29 September 2026.

Price changes recorded:

• 29 May 2026: £21,795
• 9 June 2026: £21,495
• 16 June 2026: £21,295
• 28 July 2026: £20,995
• 4 September 2026: £20,795
• 29 September 2026: £20,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 March 2027.

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

There were no advisories at the latest test.

Mileage at that test: 25,604 miles, which matches the advertised 25,604 miles.

Advertised mileage is about 1,400 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: 25,677 miles. Price: £22,500, £2,005 more than this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3c45c10e57f5
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 25,737 miles. Price: £20,438, £57 less than this car. Dealer: Carsa. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d16a27618614
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,825 miles. Price: £20,895, £400 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22253f4cc9f3

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 32,202 miles. Price: £20,495, the same price as this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fcb9d9681ac