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: 5,881 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: Red
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 5,881 miles, this 2023 Audi A3 S Line has covered about 20,800 fewer miles than other 2023 Audi A3 cars. Priced at £24,299, it is advertised £792 above the AskCar estimate of £23,507. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 8 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at cinch in Coulsdon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £792 (3%) over the AskCar estimate of £23,507.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 503 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 27 October 2026 at £24,199. Its asking price is now £24,299, £100 more.

Price changes recorded:

• 27 October 2026: £24,199
• 28 October 2026: £24,399
• 30 October 2026: £24,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 17 July 2027.

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

There were no advisories at the latest test.

Mileage at that test: 4,297 miles, which matches the advertised 5,881 miles.

Advertised mileage is about 20,800 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

132 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 6,985 miles. Price: £21,999, £2,300 less than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a2edf4f6bcbc
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 8,413 miles. Price: £23,550, £749 less than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e8302566b623
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 8,575 miles. Price: £23,356, £943 less than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3953533a3683

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 4 miles from this car. Mileage: 36,962 miles. Price: £20,000, £4,299 less than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8214e286aaa1