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: 41,833 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: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 41,833 miles, approximately 14,800 above the typical mileage for its age. The dealer is asking £19,510, which is £75 below the AskCar estimate of £19,585. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 9 days ago. Its asking price has since fallen by £60. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Big Motoring World Blue Bell Hill in Chatham. 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: £75 (under 1%) under the AskCar estimate of £19,585.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £19,570. Its asking price is now £19,510, £60 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 24 October 2026: £19,570
• 25 October 2026: £19,550
• 27 October 2026: £19,530
• 28 October 2026: £19,520
• 30 October 2026: £19,510

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 October 2027.

It has had one MOT, on 15 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 41,698 miles, which matches the advertised 41,833 miles.

Advertised mileage is about 14,800 miles higher 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, grey. Mileage: 42,039 miles. Price: £18,490, £1,020 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8cf5151cb3a1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 40,979 miles. Price: £20,799, £1,289 more than this car. Dealer: John Clark Motor Group Aberdeen Audi in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1117e66acc69
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 43,410 miles. Price: £20,498, £988 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3798f832b717