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: 17,092 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 17,092 miles, approximately 9,900 below the typical mileage for its age. Priced at £19,838, it is advertised £347 below the AskCar estimate of £20,185. 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 43 days ago. Its asking price has since fallen by £802. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Nissan Newcastle, based in Newcastle Upon Tyne. 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: £347 (1%) under the AskCar estimate of £20,185.

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 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £20,640. Its asking price is now £19,838, £802 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 20 September 2026: £20,640
• 22 September 2026: £20,283
• 26 September 2026: £20,698
• 30 September 2026: £20,387
• 1 October 2026: £19,994
• 2 October 2026: £19,973
• 9 October 2026: £19,898
• 14 October 2026: £19,853
• 17 October 2026: £19,616
• 21 October 2026: £19,854
• 24 October 2026: £19,838

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 May 2027.

It has had one MOT, on 13 May 2026, and passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 16,785 miles, which matches the advertised 17,092 miles.

Advertised mileage is about 9,900 miles lower 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, red. Mileage: 16,873 miles. Price: £20,998, £1,160 more than this car. Dealer: Arnold Clark Wolverhampton Motorstore / Vanstore in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b2af73d3e0b7
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 17,500 miles. Price: £19,250, £588 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cf10b105891d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 17,532 miles. Price: £19,999, £161 more than this car. Dealer: Trust Ford Dagenham in Dagenham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-89e6fe282396

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 72 miles from this car. Mileage: 18,641 miles. Price: £19,795, the same price as this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5b5d51f610f8