2023 Audi A3 2.0 TDI S Line

Price: £21,000. Fair price: £402 (1%) over the AskCar estimate of £20,598, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

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: 41,667 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 41,667 miles, around 14,700 more miles than is typical for its age. The AskCar estimate for this car is £20,598. It is priced at £21,000, which is £402 above 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 recorded this car for sale 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Derby Audi, based in Derby. 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: £402 (1%) over the AskCar estimate of £20,598.

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

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: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £21,000. 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 16 May 2027.

It has had one MOT, on 30 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 37,129 miles, which matches the advertised 41,667 miles.

Advertised mileage is about 14,700 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, blue. Mileage: 42,000 miles. Price: £19,891, £1,109 less than this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a3-2023-be670c962498
  • 2023 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 42,191 miles. Price: £19,899, £1,101 less than 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: 40,883 miles. Price: £20,998, the same price as 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, black, 9 miles from this car. Mileage: 33,280 miles. Price: £20,714, £286 less than this car. Dealer: Pentagon Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2023-49adb3335e64

Browse all Audi A3 cars for sale · 2023 Audi A3 price guide

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Photos

34 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.