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: 32,651 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 32,651 miles, around 5,700 more miles than is typical for its age. Priced at £20,280, it is advertised £294 below the AskCar estimate of £20,574. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 9 days ago. Its asking price has since fallen by £160. The government's MOT record matches its advertised mileage. You can find this car at Big Motoring World Enfield in Waltham Cross. 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: £294 (1%) under the AskCar estimate of £20,574.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £20,440. Its asking price is now £20,280, £160 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 24 October 2026: £20,440
• 25 October 2026: £20,410
• 27 October 2026: £20,400
• 28 October 2026: £20,460
• 31 October 2026: £20,410
• 1 November 2026: £20,280

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 October 2027.

It has had one MOT, on 21 September 2026, and passed.

Advisories at the latest test: nearside rear tyre starting to wear low.

Mileage at that test: 32,015 miles, which matches the advertised 32,651 miles.

Advertised mileage is about 5,700 miles higher 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: 32,202 miles. Price: £20,495, £215 more than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fcb9d9681ac
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 31,725 miles. Price: £19,549, £731 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0c03bcad1b22
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 33,781 miles. Price: £20,995, £715 more than this car. Dealer: Lake District Audi in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-304b7e8c68a2

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 24,550 miles. Price: £20,030, £250 less than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2210ea8b7f9d