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: 24,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 24,000 miles, approximately 2,700 below the typical mileage for its age. The AskCar estimate for this car is £22,447. It is priced at £22,150, which is £297 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Group 1 Automotive Chelmsford Audi, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £297 (1%) under the AskCar estimate of £22,447.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 2.0 diesel engine is typically advertised at £21,400: the median of the 118 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 1 day ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,015 of the 1,999 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £22,150. 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 4 November 2026: valid until 30 July 2027.

It has had one MOT, on 27 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,178 miles, which matches the advertised 24,000 miles.

Advertised mileage is about 2,700 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

42 other 2023 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £16,203 to £25,490, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 24,050 miles. Price: £20,760, £1,390 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, grey. Mileage: 23,784 miles. Price: £20,550, £1,600 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, white. Mileage: 23,731 miles. Price: £21,799, £351 less than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-23fe34776d4e

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, grey, 14 miles from this car. Mileage: 53,500 miles. Price: £19,990, £2,160 less than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3ae58f6abb6e