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: 33,900 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 33,900 miles, approximately 7,000 above the typical mileage for its age. Priced at £18,499, it is advertised £605 below the AskCar estimate of £19,104. The AskCar estimate uses UK dealer asking prices, including 6,691 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 35 days ago, the asking price has dropped by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Manchester Audi, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £605 (3%) under the AskCar estimate of £19,104.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 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 7 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 3 October 2026 at £18,599. Its asking price is now £18,499, £100 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 3 October 2026: £18,599
• 5 November 2026: £18,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 14 February 2027.

It has had one MOT, on 13 February 2026, and passed.

Advisories at the latest test: nearside rear nail in tyre.

Mileage at that test: 27,999 miles, which matches the advertised 33,900 miles.

Advertised mileage is about 7,000 miles higher 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 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 30,952 miles. Price: £19,998, £1,499 more than this car. Dealer: Arnold Clark Northwich Vauxhall / Kia in Northwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6e94268d3d75
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 37,010 miles. Price: £18,999, £500 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5e2d5a51e850
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 37,210 miles. Price: £18,249, £250 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e4c081ef0cbd

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 6 miles from this car. Mileage: 8,469 miles. Price: £21,595, £3,096 more than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2023-513e38f8a8d2