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: 55,125 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: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 55,125 miles, around 28,100 more miles than is typical for its age. The AskCar estimate for this car is £18,236. It is priced at £18,681, which is £445 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 41 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marriott Motor Group Ipswich Audi, based in Ipswich. 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: £445 (2%) over the AskCar estimate of £18,236.

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 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £18,681. 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 7 September 2027.

It has had one MOT, on 8 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 54,524 miles, which matches the advertised 55,125 miles.

Advertised mileage is about 28,100 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, black. Mileage: 55,000 miles. Price: £17,995, £686 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, blue. Mileage: 55,764 miles. Price: £18,998, £317 more than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d52f90cac45
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 59,445 miles. Price: £16,930, £1,751 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, blue, under a mile from this car. Mileage: 15,290 miles. Price: £22,979, £4,298 more than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8ac4ca4585c3