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) 4dr (148 bhp)
• Year: 2023
• Mileage: 42,123 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 42,123 miles, this 2023 Audi A3 S Line has covered about 15,100 more miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £20,065. It is priced at £19,995, which is £70 below 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 3 days ago. Its advertised mileage matches the government's MOT record. The seller is Cameron Motor Group Perth Audi, based in Perth. 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: £70 (under 1%) under the AskCar estimate of £20,065.

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

AskCar first saw this 2023 Audi A3 advertised 3 days ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £19,995. 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 22 May 2027.

It failed its MOT on 13 May 2026 (nearside rear tyre tread depth below requirements of 1.6mm 225-40-18) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 35,138 miles, which matches the advertised 42,123 miles.

Advertised mileage is about 15,100 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

41 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,499, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 41,330 miles. Price: £19,818, £177 less than this car. Dealer: Trust Ford Edgware in Edgware. AskCar page: https://askcar.co.uk/car/audi-a3-2023-655a6421b0e3
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 44,765 miles. Price: £20,698, £703 more than this car. Dealer: Arnold Clark Manchester Vauxhall in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b7a4f301f2bf
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 38,072 miles. Price: £19,887, £108 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c95ac6988db6

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 18 miles from this car. Mileage: 20,821 miles. Price: £22,495, £2,500 more than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3eaab9a72415