2023 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2023
• Mileage: 20,256 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 20,256 miles, approximately 6,500 below the typical mileage for its age. Its asking price of £20,750 is £599 above the AskCar estimate of £20,151. To work out the AskCar estimate, we analyse UK dealer adverts for 6,620 Audi A3 cars across different ages and specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. The seller is Harwoods Crawley Audi, based in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £599 (2%) over the AskCar estimate of £20,151.

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 6,620 priced Audi A3 adverts across different ages and specifications, as of 8 November 2026.

A 2023 Audi A3 with the 1.0 petrol engine is typically advertised at £18,200: the median of the 464 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,075 of the 2,122 first advertised between 8 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £20,750. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 March 2027.

It has had one MOT, on 9 March 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; nearside rear outer tyre slightly damaged/cracking or perishing SIDEWALL.

Mileage at that test: 15,986 miles, which matches the advertised 20,256 miles.

Advertised mileage is about 6,500 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

184 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £22,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 20,223 miles. Price: £19,749, £1,001 less than this car. Dealer: Motorpoint Derby in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b509427733ad
• 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 20,334 miles. Price: £18,994, £1,756 less than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4b839b93b20d
• 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 20,483 miles. Price: £20,495, £255 less than this car. Dealer: MH Performance in Bradford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f3b88a35fdf5

• The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, blue, 2 miles from this car. Mileage: 18,865 miles. Price: £19,890, £860 less than this car. Dealer: Southeast Motors Jaguar Land Rover Crawley in Crawley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-81aee9ccd18a