2023 BMW M3 3.0 BiTurbo Competition

Price: £73,975. Fair price: £3,191 (4%) over the AskCar estimate of £70,784, 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) 5dr Touring M (503 bhp)
  • Year: 2023
  • Mileage: 10,000 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 232 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 10,000 miles on the clock, this 2023 BMW M3 Competition has done roughly 11,000 fewer miles than a typical 2023 BMW M3. Its asking price of £73,975 is £3,191 above the AskCar estimate of £70,784. The AskCar estimate uses UK dealer asking prices, including 756 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 158 days ago. Its asking price has since fallen by £3,500. You can find this car at Sandwell Car Sales in West Bromwich. 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: £3,191 (4%) over the AskCar estimate of £70,784.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £77,475. Its asking price is now £73,975, £3,500 less. The latest price cut was seen on 2 August 2026.

Price changes recorded:

  • 28 May 2026: £77,475
  • 16 June 2026: £75,975
  • 2 August 2026: £73,975

Mileage and MOT

Advertised mileage is about 11,000 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

34 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £56,949 to £77,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol estate, blue. Mileage: 10,382 miles. Price: £70,999, £2,976 less than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-e795110950c8
  • 2023 BMW M3 Competition, 3.0 petrol estate, yellow. Mileage: 11,143 miles. Price: £64,900, £9,075 less than this car. Dealer: John Holland Sales in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a5d383b7c244
  • 2023 BMW M3 Competition, 3.0 petrol estate, blue. Mileage: 8,000 miles. Price: £67,995, £5,980 less than this car. Dealer: Q Performance Ltd / My1stcar.org in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-60ae9b05970e
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, green, 7 miles from this car. Mileage: 24,000 miles. Price: £67,500, £6,475 less than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-62a411a8b355

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

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Photos

41 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.