2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto M (730 bhp)
• Year: 2023
• Mileage: 9,944 miles
• Fuel: Petrol
• Engine: 3.0 litres, 730 bhp
• Gearbox: Automatic
• Colour: White

About this car

This 2023 BMW M3 Competition has covered 9,944 miles, around 11,100 fewer miles than is typical for its age. The dealer is asking £57,890, which is £11,383 below the AskCar estimate of £69,273. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. The asking price is now £4,100 lower than when we first recorded the advert 158 days ago. It is advertised by Monarch Enterprises in Lincoln. 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

Good value: £11,383 (16%) under the AskCar estimate of £69,273.

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 £61,990. Its asking price is now £57,890, £4,100 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 28 May 2026: £61,990
• 25 June 2026: £59,990
• 23 October 2026: £57,890

Mileage and MOT

Advertised mileage is about 11,100 miles lower than the median mileage of a 2023 BMW M3 on AskCar.