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: 29,533 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 29,533 miles, this 2023 Audi A3 S Line has covered about 2,500 more miles than other 2023 Audi A3 cars. Priced at £21,498, it is advertised £929 above the AskCar estimate of £20,569. The AskCar estimate uses 6,705 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Arnold Clark Rutherglen Volkswagen / BYD in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £929 (4%) over the AskCar estimate of £20,569.

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 6,705 priced Audi A3 adverts across different ages and specifications, as of 12 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 496 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 1 day ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,113 of the 2,224 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £21,498. 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 12 November 2026: valid until 8 November 2027.

It has had 2 MOTs. The latest, on 9 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,534 miles, which matches the advertised 29,533 miles.

Advertised mileage is about 2,500 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

135 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £17,280 to £24,670, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 29,239 miles. Price: £20,999, £499 less than this car. Dealer: Motorplus South Wales in Newport. AskCar page: https://askcar.co.uk/car/audi-a3-2023-59112669dc76
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 29,000 miles. Price: £20,495, £1,003 less than this car. Dealer: Drive: Your Way in Brighouse. AskCar page: https://askcar.co.uk/car/audi-a3-2023-45f9249926ea
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 30,376 miles. Price: £22,995, £1,497 more than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9bd8bbfb9cf7

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, black, 10 miles from this car. Mileage: 35,701 miles. Price: £20,498, £1,000 less than this car. Dealer: Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo in Linwood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-403e5d291c66