2023 Audi A3 2.0 TDI S Line

Price: £18,946. Fair price: £53 (under 1%) over the AskCar estimate of £18,893, 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: 57,767 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 57,767 miles, approximately 30,800 above the typical mileage for its age. The AskCar estimate for this car is £18,893. It is priced at £18,946, which is £53 above that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 33 days ago. Its asking price has since fallen by £1,049. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Chingford Audi, based in Chingford. 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: £53 (under 1%) over the AskCar estimate of £18,893.

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 33 days.

Price history

AskCar first saw this advert on 30 September 2026 at £19,995. Its asking price is now £18,946, £1,049 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 30 September 2026: £19,995
  • 8 October 2026: £19,650
  • 20 October 2026: £19,295
  • 24 October 2026: £18,946

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 March 2027.

It has had 2 MOTs. The latest, on 2 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,769 miles, which matches the advertised 57,767 miles.

Advertised mileage is about 30,800 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: 58,100 miles. Price: £18,750, £196 less than this car. Dealer: S Mckeever Cars in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d3b081ee52e5
  • 2023 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 56,218 miles. Price: £19,495, £549 more than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d32fff3cf5b
  • 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 61,059 miles. Price: £19,985, £1,039 more than this car. Dealer: Donnelly Motorstore Dungannon in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-138832e9a92c
  • The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, grey, 8 miles from this car. Mileage: 12,873 miles. Price: £23,290, £4,344 more than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-a3-2023-287d6b80e72e

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

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Photos

31 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.