2023 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 42,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 42,000 miles, around 15,000 more miles than is typical for its age. Its asking price of £19,891 is £671 below the AskCar estimate of £20,562. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 10 days ago. Its asking price has since fallen by £1,100. The seller is Lookers Audi Newcastle, based in Newcastle Upon Tyne. 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: £671 (3%) under the AskCar estimate of £20,562.

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 2.0 diesel engine is typically advertised at £21,500: the median of the 113 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £20,991. Its asking price is now £19,891, £1,100 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 23 October 2026: £20,991
• 24 October 2026: £20,167
• 2 November 2026: £19,891

Mileage and MOT

Advertised mileage is about 15,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

40 other 2023 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £16,203 to £24,699, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 42,191 miles. Price: £19,899, the same price as this car. Dealer: cinch in Exeter. AskCar page: https://askcar.co.uk/car/audi-a3-2023-aaeead8b3734
• 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 41,667 miles. Price: £21,000, £1,109 more than this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e8bc889c7c4a
• 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 40,883 miles. Price: £20,998, £1,107 more than this car. Dealer: Arnold Clark Ayr Kia in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-94ccd7ec66e5

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, blue, 71 miles from this car. Mileage: 79,878 miles. Price: £16,203, £3,688 less than this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/audi-a3-2023-53cbff517228