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: 31,725 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: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 31,725 miles, approximately 4,700 above the typical mileage for its age. Its asking price of £19,549 is £1,128 below the AskCar estimate of £20,677. 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 48 days ago. Its asking price has since fallen by £1,900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Peterborough, based in Peterborough. 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: £1,128 (5%) under the AskCar estimate of £20,677.

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 48 days.

Price history

AskCar first saw this advert on 15 September 2026 at £21,449. Its asking price is now £19,549, £1,900 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 15 September 2026: £21,449
• 18 September 2026: £20,349
• 26 September 2026: £20,299
• 3 October 2026: £20,149
• 10 October 2026: £20,049
• 17 October 2026: £19,999
• 24 October 2026: £19,699
• 31 October 2026: £19,549

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 September 2027.

It failed its MOT on 9 September 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a bulge, caused by separation or partial failure of its structure) and passed 1 day later, on 10 September 2026.

There were no advisories at the latest test.

Mileage at that test: 31,726 miles, which matches the advertised 31,725 miles.

Advertised mileage is about 4,700 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, white. Mileage: 31,505 miles. Price: £21,250, £1,701 more than this car. Dealer: Sytner Group Nottingham Audi in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-da5e51901b71
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 31,299 miles. Price: £20,668, £1,119 more than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ae49a3fcb12f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 32,202 miles. Price: £20,495, £946 more than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fcb9d9681ac

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 30,436 miles. Price: £20,130, £581 more than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85b3f88d8a69