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: 27,781 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 27,781 miles. The dealer is asking £20,990, which is £1,151 below the AskCar estimate of £22,141. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 9 days ago. The government's MOT record matches its advertised mileage. You can find this car at Swansway Garages Blackburn Audi in Blackburn,. 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: £1,151 (5%) under the AskCar estimate of £22,141.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £20,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 May 2027.

It has had one MOT, on 8 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 24,396 miles, which matches the advertised 27,781 miles.

Advertised mileage is about 800 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, grey. Mileage: 27,991 miles. Price: £21,985, £995 more than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-51f09ded7efb
• 2023 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 26,989 miles. Price: £22,498, £1,508 more than this car. Dealer: Arnold Clark Edinburgh Sighthill Vauxhall / Peugeot / Leapmotor in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b24a96b76c30
• 2023 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 29,090 miles. Price: £22,494, £1,504 more than this car. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2023-51a09cb9a58b

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, blue, 13 miles from this car. Mileage: 52,822 miles. Price: £19,498, £1,492 less than this car. Dealer: Arnold Clark Bolton Motorstore / Vanstore in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1a3b34405e9c