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: 25,902 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 is advertised with 25,902 miles on the clock. Priced at £22,498, it is advertised £177 above the AskCar estimate of £22,321. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 13 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Chertsey Motorstore / Geely, based in Chertsey. 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: £177 (under 1%) over the AskCar estimate of £22,321.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £22,498. 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 29 September 2027.

It has had one MOT, on 3 September 2026, and passed.

Advisories at the latest test: engine cover and undertray obscuring view.

Mileage at that test: 25,362 miles, which matches the advertised 25,902 miles.

Advertised mileage is about 1,100 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: 25,350 miles. Price: £21,995, £503 less than this car. Dealer: Crown Motors in Turriff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85f57708cb21
• 2023 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 26,989 miles. Price: £22,498, the same price as 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, black. Mileage: 24,050 miles. Price: £20,760, £1,738 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

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, blue, 10 miles from this car. Mileage: 16,062 miles. Price: £22,692, £194 more than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0b6a96c11929