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: 11,952 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 11,952 miles, this 2023 Audi A3 S Line has covered about 14,800 fewer miles than other 2023 Audi A3 cars. Priced at £20,499, it is advertised £2 above the AskCar estimate of £20,497. The AskCar estimate draws on 6,645 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. You can find this car at cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £2 (under 1%) over the AskCar estimate of £20,497.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 513 for sale on AskCar, as of 5 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: 1,037 of the 2,042 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £20,499. 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 5 November 2026: valid until 27 October 2027.

It has had one MOT, on 28 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,950 miles, which matches the advertised 11,952 miles.

Advertised mileage is about 14,800 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

86 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 11,896 miles. Price: £21,480, £981 more than this car. Dealer: Harwoods Five Oaks Audi in Five Oaks. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5c1f92504053
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 11,567 miles. Price: £21,070, £571 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4e5ddd85abec
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 11,443 miles. Price: £19,404, £1,095 less than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-50f29e96296d

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 13,496 miles. Price: £19,999, £500 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3869f5c57c92