2023 BMW M3 3.0 Competition

Price: £64,956. Fair price: £3,530 (5%) over the AskCar estimate of £61,426, our expected asking price for this car from its model, age, mileage and specification, drawing on 753 priced BMW M3 adverts on AskCar as of 5 November 2026.

AskCar lists 808 used BMW M3 from 469 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 4dr M
  • Year: 2023
  • Mileage: 12,425 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 229 g/km

About this car

At 12,425 miles, this 2023 BMW M3 Competition has covered about 8,700 fewer miles than other 2023 BMW M3 cars. The AskCar estimate for this car is £61,426. It is priced at £64,956, which is £3,530 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 753 BMW M3 cars across different ages and specifications. This car was first seen in our listings data 16 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Bowker BMW Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,530 (5%) over the AskCar estimate of £61,426.

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 753 priced BMW M3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,400: the median of the 112 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £64,956. 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 5 November 2026: valid until 14 August 2027.

It has had one MOT, on 13 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,813 miles, which matches the advertised 12,425 miles.

Advertised mileage is about 8,700 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

54 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 11,881 miles. Price: £64,990, the same price as this car. Dealer: Forza Line in Coventry. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1cf90a241a10
  • 2023 BMW M3 Competition, 3.0 petrol saloon, white. Mileage: 11,389 miles. Price: £57,400, £7,556 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-9384b5f2ac32
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 13,995 miles. Price: £58,499, £6,457 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-667b86e4cf28
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, white, 20 miles from this car. Mileage: 24,000 miles. Price: £64,995, the same price as this car. Dealer: Vollgas Automotive in Burnley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-acd8a3671a5f

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

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Photos

4 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.