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: 55,764 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: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,764 miles, this 2023 Audi A3 S Line has covered about 28,800 more miles than other 2023 Audi A3 cars. The dealer is asking £18,998, which is £825 above the AskCar estimate of £18,173. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 19 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Huddersfield Motorstore, based in Huddersfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £825 (4%) over the AskCar estimate of £18,173.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £18,998. 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 2 November 2026: valid until 12 October 2027.

It has had 2 MOTs. The latest, on 13 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,770 miles, which matches the advertised 55,764 miles.

Advertised mileage is about 28,800 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 55,125 miles. Price: £18,681, £317 less than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-dab258e3e967
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 55,000 miles. Price: £17,995, £1,003 less than this car. Dealer: Moy Auto Services in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-44f5c0bc6d5d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 59,445 miles. Price: £16,930, £2,068 less than this car. Dealer: Evans Halshaw BYD Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9c0fa951cb7e

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, yellow, under a mile from this car. Mileage: 34,042 miles. Price: £19,681, £683 more than this car. Dealer: Pentagon Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6d79d73942aa