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: 15,760 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

This 2023 Audi A3 S Line is advertised with 15,760 miles, approximately 11,200 below the typical mileage for its age. Priced at £18,475, it is advertised £1,631 below the AskCar estimate of £20,106. To work out the AskCar estimate, we analyse UK dealer adverts for 6,729 Audi A3 cars across different ages and specifications. We have tracked this advert today. The government's MOT record matches its advertised mileage. You can find this car at J Anderson Autos in Airdrie. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,631 (8%) under the AskCar estimate of £20,106.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 6 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: 1,062 of the 2,095 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £18,475. 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 6 November 2026: valid until 22 April 2027.

It has had one MOT, on 23 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 14,044 miles, which matches the advertised 15,760 miles.

Advertised mileage is about 11,200 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

90 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 15,558 miles. Price: £19,050, £575 more than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-44408e912c92
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 15,121 miles. Price: £19,977, £1,502 more than this car. Dealer: CarSupermarket.com Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/audi-a3-2023-906efc8c25f1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 15,106 miles. Price: £20,499, £2,024 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-64f398b656df

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 6 miles from this car. Mileage: 50,039 miles. Price: £17,595, £880 less than this car. Dealer: Lookers Audi Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9358997b39aa