2023 BMW M3 3.0 BiTurbo Competition

Price: £63,989. Fair price: £710 (1%) under the AskCar estimate of £64,699, 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 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
  • Year: 2023
  • Mileage: 18,500 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Four-wheel drive
  • Colour: Orange
  • CO2: 229 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition is advertised with 18,500 miles, approximately 2,500 below the typical mileage for its age. The AskCar estimate for this car is £64,699. It is priced at £63,989, which is £710 below that estimate. 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 advert 150 days ago, and its asking price has since fallen by £1,500. The government's MOT record matches its advertised mileage. You can find this car at Bluehawk Automotive in Hounslow. 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: £710 (1%) under the AskCar estimate of £64,699.

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 150 days.

Price history

AskCar first saw this advert on 5 June 2026 at £65,489. Its asking price is now £63,989, £1,500 less. The latest price cut was seen on 16 June 2026.

Price changes recorded:

  • 5 June 2026: £65,489
  • 16 June 2026: £63,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 March 2027.

It has had one MOT, on 2 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 16,735 miles, which matches the advertised 18,500 miles.

Advertised mileage is about 2,500 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, red. Mileage: 18,954 miles. Price: £56,991, £6,998 less than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-2e1912149a51
  • 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 17,900 miles. Price: £65,999, £2,010 more than this car. Dealer: Rom Motors in Atherstone. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a5e875dcfbcd
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 17,000 miles. Price: £62,995, £994 less than this car. Dealer: Automotive Performance in Smethwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f6768770ff5e
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 3 miles from this car. Mileage: 25,002 miles. Price: £62,900, £1,089 less than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-84023426619b

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

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Photos

52 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.