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) 4dr (148 bhp)
• Year: 2023
• Mileage: 20,246 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 20,246 miles, around 6,800 fewer miles than is typical for its age. Its asking price of £19,997 is £330 below the AskCar estimate of £20,327. 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 41 days ago, the asking price has dropped by £914. 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: £330 (1%) under the AskCar estimate of £20,327.

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 £20,911. Its asking price is now £19,997, £914 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 22 September 2026: £20,911
• 14 October 2026: £20,498
• 30 October 2026: £19,997

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 April 2027.

It failed its MOT on 30 March 2026 (offside front tyre has ply or cords exposed) and passed later the same day.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 17,317 miles, which matches the advertised 20,246 miles.

Advertised mileage is about 6,800 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 20,328 miles. Price: £20,955, £958 more than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f66644033897
• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 20,038 miles. Price: £21,498, £1,501 more than this car. Dealer: Arnold Clark Preston Renault / Dacia in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-29d1616313be
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 21,103 miles. Price: £21,498, £1,501 more than this car. Dealer: Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo in Linwood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85f59c8bc178

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 43 miles from this car. Mileage: 25,279 miles. Price: £19,349, £648 less than this car. Dealer: Motorpoint Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-fe55dae6331d