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: 20,661 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: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 20,661 miles, this 2023 Audi A3 S Line has covered about 6,300 fewer miles than other 2023 Audi A3 cars. Priced at £22,490, it is advertised £1,149 above the AskCar estimate of £21,341. The AskCar estimate uses UK dealer asking prices, including 6,763 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. The government's MOT record matches its advertised mileage. It is advertised by Phantom Motor Company in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,149 (5%) over the AskCar estimate of £21,341.

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 6,763 priced Audi A3 adverts across different ages and specifications, as of 14 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 514 for sale on AskCar, as of 14 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: 1,114 of the 2,238 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £22,490. 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 14 November 2026: valid until 13 May 2027.

It has had one MOT, on 14 May 2026, and passed.

Advisories at the latest test: offside front shock absorbers has light misting of oil; front registration plate deteriorated but not likely to be misread; nearside front tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 19,472 miles, which matches the advertised 20,661 miles.

Advertised mileage is about 6,300 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

143 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £17,660 to £24,670, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 20,704 miles. Price: £20,495, £1,995 less than this car. Dealer: Witham Garage in Melton Mowbray. AskCar page: https://askcar.co.uk/car/audi-a3-2023-49d5c7952a20
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 20,235 miles. Price: £20,820, £1,670 less than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e1cd37e3ea0e
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 20,212 miles. Price: £19,999, £2,491 less than this car. Dealer: HPL Wirral in Bromborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e476e63a5bea

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 8 miles from this car. Mileage: 65,480 miles. Price: £17,660, £4,830 less than this car. Dealer: Dace Specialist Car Centre Manchester - Trading Standards Approved in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-15bc17811cfb