2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 4dr M
• Year: 2023
• Mileage: 31,000 miles
• Fuel: Petrol
• Body: 4 doors
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 230 g/km

About this car

At 31,000 miles, this 2023 BMW M3 Competition has covered about 9,900 more miles than other 2023 BMW M3 cars. The AskCar estimate for this car is £58,107. It is priced at £58,500, which is £393 above that estimate. The AskCar estimate uses 750 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 36 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Leicester BMW, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £393 (under 1%) over the AskCar estimate of £58,107.

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 750 priced BMW M3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,000: the median of the 113 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 1 October 2026 at £59,000. Its asking price is now £58,500, £500 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 1 October 2026: £59,000
• 18 October 2026: £58,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 28 September 2027.

It has had 2 MOTs. The latest, on 29 September 2026, passed.

Advisories at the latest test: nearside front track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt.

Mileage at that test: 30,958 miles, which matches the advertised 31,000 miles.

Advertised mileage is about 9,900 miles higher than the median mileage of a 2023 BMW M3 on AskCar.