2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 46,640 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 46,640 miles, approximately 19,600 above the typical mileage for its age. Its asking price of £17,712 is £253 above the AskCar estimate of £17,459. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 46 days ago. Its asking price has since fallen by £770. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Glasgow, based in Glasgow. 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: £253 (1%) over the AskCar estimate of £17,459.

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 46 days.

Price history

AskCar first saw this advert on 17 September 2026 at £18,482. Its asking price is now £17,712, £770 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 17 September 2026: £18,482
• 29 September 2026: £18,278
• 5 October 2026: £18,260
• 6 October 2026: £18,178
• 15 October 2026: £18,077
• 18 October 2026: £17,928
• 24 October 2026: £17,871
• 28 October 2026: £17,712

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 April 2027.

It has had one MOT, on 17 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 42,834 miles, which matches the advertised 46,640 miles.

Advertised mileage is about 19,600 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 50,039 miles. Price: £17,695, the same price as this car. Dealer: Lookers Audi Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9358997b39aa
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 41,500 miles. Price: £18,750, £1,038 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05aac58992e5
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 51,817 miles. Price: £17,720, the same price as this car. Dealer: EMG Motor Group Haverhill in Haverhill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-172e591e2da6

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 21,628 miles. Price: £19,927, £2,215 more than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-09f8e26aaec5