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: 23,731 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 23,731 miles, around 3,300 fewer miles than is typical for its age. The AskCar estimate for this car is £22,531. It is priced at £21,799, which is £732 below that estimate. 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 55 days ago. Its asking price has since fallen by £1,200. The seller is Lookers Audi Ayr, based in AYR. 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: £732 (3%) under the AskCar estimate of £22,531.

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 55 days.

Price history

AskCar first saw this advert on 8 September 2026 at £22,999. Its asking price is now £21,799, £1,200 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 8 September 2026: £22,999
• 15 September 2026: £22,989
• 22 September 2026: £22,999
• 29 September 2026: £22,989
• 7 October 2026: £22,949
• 14 October 2026: £22,499
• 20 October 2026: £22,199
• 25 October 2026: £21,999
• 2 November 2026: £21,799

Mileage and MOT

Advertised mileage is about 3,300 miles lower 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, grey. Mileage: 23,784 miles. Price: £20,550, £1,249 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-653d4561d74c
• 2023 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 24,050 miles. Price: £20,760, £1,039 less than this car. Dealer: Evans Halshaw Ford Hull East in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e418d718fb33
• 2023 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 22,642 miles. Price: £22,498, £699 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8ca0f7ac2f90

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, grey, under a mile from this car. Mileage: 40,883 miles. Price: £20,998, £801 less than this car. Dealer: Arnold Clark Ayr Kia in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-94ccd7ec66e5