2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 32,693 miles
• Fuel: Petrol
• Body: 5 doors
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Red
• CO2: 231 g/km

About this car

This 2023 BMW M3 Competition has covered 32,693 miles, around 11,500 more miles than is typical for its age. The dealer is asking £57,950, which is £1,801 below the AskCar estimate of £59,751. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. We first saw this car advertised 88 days ago. Its asking price has since fallen by £4,550. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Maidenhead BMW, based in Maidenhead. 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: £1,801 (3%) under the AskCar estimate of £59,751.

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 88 days.

Price history

AskCar first saw this advert on 8 August 2026 at £62,500. Its asking price is now £57,950, £4,550 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 8 August 2026: £62,500
• 3 September 2026: £61,950
• 25 September 2026: £61,450
• 3 October 2026: £60,950
• 7 October 2026: £60,500
• 11 October 2026: £59,950
• 16 October 2026: £59,450
• 20 October 2026: £58,950
• 23 October 2026: £58,750
• 4 November 2026: £57,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 May 2027.

It has had 2 MOTs. The latest, on 5 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,691 miles, which matches the advertised 32,693 miles.

Advertised mileage is about 11,500 miles higher than the median mileage of a 2023 BMW M3 on AskCar.