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: 23,882 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,882 miles on the clock, this 2023 Audi A3 S Line has done roughly 3,100 fewer miles than a typical 2023 Audi A3. Its asking price of £20,295 is £693 above the AskCar estimate of £19,602. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 12 days ago, the asking price has dropped by £2,700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Audi Harold Wood, based in Romford. 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: £693 (3%) over the AskCar estimate of £19,602.

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 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £22,995. Its asking price is now £20,295, £2,700 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 21 October 2026: £22,995
• 26 October 2026: £20,995
• 29 October 2026: £20,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 March 2027.

It failed its MOT on 17 February 2026 (supplementary restraint system warning lamp indicates a fault; windscreen damaged but not adversely affecting driver's view) and passed 13 days later, on 2 March 2026.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 19,230 miles, which matches the advertised 23,882 miles.

Advertised mileage is about 3,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 23,978 miles. Price: £19,895, £400 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e1a1f4d6c19a
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 24,305 miles. Price: £19,250, £1,045 less than this car. Dealer: Peter Watson Garage in Skipton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8d4c974efb13
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 23,396 miles. Price: £20,095, £200 less than this car. Dealer: Group 1 Automotive Norwich Audi in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bf480acf73d8

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 6 miles from this car. Mileage: 54,489 miles. Price: £15,821, £4,474 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cbcf51f6a45c