2023 BMW M3 3.0 Competition

Price: £73,995. Fair price: £4,582 (6%) over the AskCar estimate of £69,413, our expected asking price for this car from its model, age, mileage and specification, drawing on 756 priced BMW M3 adverts on AskCar as of 2 November 2026.

AskCar lists 811 used BMW M3 from 475 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 4dr M (503 bhp)
  • Year: 2023
  • Mileage: 6,800 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic
  • Colour: Blue
  • CO2: 230 g/km

About this car

This 2023 BMW M3 Competition has covered 6,800 miles, around 14,200 fewer miles than is typical for its age. Its asking price of £73,995 is £4,582 above the AskCar estimate of £69,413. The AskCar estimate draws on 756 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 91 days ago. It is advertised by Automotive Addiction in Telford. 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: £4,582 (6%) over the AskCar estimate of £69,413.

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 756 priced BMW M3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,300: the median of the 115 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 91 days.

Price history

AskCar first saw this advert on 3 August 2026 at £73,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 14,200 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

51 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £54,995 to £74,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 7,500 miles. Price: £69,995, £4,000 less than this car. Dealer: Shaks Specialist Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-aff31b765e36
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 7,900 miles. Price: £64,650, £9,345 less than this car. Dealer: Boss Motor Company in Chesham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-b0ec6b3e8ec7
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 9,150 miles. Price: £63,995, £10,000 less than this car. Dealer: Sharman Group in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1c9f24da60f3
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, blue, 4 miles from this car. Mileage: 20,173 miles. Price: £56,995, £17,000 less than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-7a74eef30c0f

Browse all BMW M3 cars for sale · 2023 BMW M3 price guide

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Photos

95 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.