2023 BMW M3 3.0 Competition

Price: £54,995. Fair price: £855 (1%) over the AskCar estimate of £54,140, our expected asking price for this car from its model, age, mileage and specification, drawing on 752 priced BMW M3 adverts on AskCar as of 4 November 2026.

AskCar lists 808 used BMW M3 from 468 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 4dr M
  • Year: 2023
  • Mileage: 36,430 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 230 g/km

About this car

This 2023 BMW M3 Competition is advertised with 36,430 miles, approximately 15,200 above the typical mileage for its age. The dealer is asking £54,995, which is £855 above the AskCar estimate of £54,140. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. It first appeared in our advert records 25 days ago. The government's MOT record matches its advertised mileage. You can find this car at MB Motor Group in Bradford. 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: £855 (1%) over the AskCar estimate of £54,140.

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 752 priced BMW M3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,000: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £54,995. 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 11 March 2027.

It has had one MOT, on 12 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 34,536 miles, which matches the advertised 36,430 miles.

Advertised mileage is about 15,200 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

52 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 35,087 miles. Price: £57,499, £2,504 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-84c0a69b24bf
  • 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 34,028 miles. Price: £57,993, £2,998 more than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-750e07acf858
  • 2023 BMW M3 Competition, 3.0 petrol saloon, red. Mileage: 33,000 miles. Price: £60,950, £5,955 more than this car. Dealer: Carbon Collection in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-9c8ee327509b
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 11 miles from this car. Mileage: 7,500 miles. Price: £69,995, £15,000 more than this car. Dealer: Shaks Specialist Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-aff31b765e36

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

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Photos

25 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.