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: 24,136 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 24,136 miles, this 2023 Audi A3 S Line has covered about 2,900 fewer miles than other 2023 Audi A3 cars. Its asking price of £21,498 is £94 above the AskCar estimate of £21,404. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Edinburgh Sighthill Motorstore / Fiat / BYD, based in Edinburgh. 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: £94 (under 1%) over the AskCar estimate of £21,404.

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 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £21,998. Its asking price is now £21,498, £500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 11 September 2026: £21,998
• 23 October 2026: £21,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 July 2027.

It failed its MOT on 10 July 2026 (nearside front tyre has a bulge, caused by separation or partial failure of its structure inner side wall; offside front tyre has a tear, caused by separation or partial failure of its structure inner sidewall) and passed 3 days later, on 13 July 2026.

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

Mileage at that test: 23,112 miles, which matches the advertised 24,136 miles.

Advertised mileage is about 2,900 miles lower 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: 24,326 miles. Price: £20,395, £1,103 less than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e5ff901e087d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 24,332 miles. Price: £23,295, £1,797 more than this car. Dealer: Sandown Group Avocado Newbury in Newbury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ea2677540467
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,875 miles. Price: £21,998, £500 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-45c283f16d5c

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 42 miles from this car. Mileage: 40,000 miles. Price: £20,889, £609 less than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fde5fedfbae