2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 37,598 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Red
• CO2: 233 g/km

About this car

At 37,598 miles, this 2023 BMW M3 Competition has covered about 16,400 more miles than other 2023 BMW M3 cars. The dealer is asking £56,949, which is £1,005 below the AskCar estimate of £57,954. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. Since we first spotted the advert 40 days ago, the asking price has dropped by £2,001. The government's MOT record matches its advertised mileage. It is for sale at Ocean Falmouth BMW in Penryn. 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: £1,005 (1%) under the AskCar estimate of £57,954.

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 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £58,950. Its asking price is now £56,949, £2,001 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 25 September 2026: £58,950
• 20 October 2026: £57,950
• 29 October 2026: £56,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 June 2027.

It has had one MOT, on 3 June 2026, and passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge; rear inner both rear tyres unevenly worn on inside edge.

Mileage at that test: 37,397 miles, which matches the advertised 37,598 miles.

Advertised mileage is about 16,400 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

31 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £58,888 to £77,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 35,442 miles. Price: £59,945, £2,996 more than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-8e67d3944302
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 34,148 miles. Price: £67,495, £10,546 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3ecbc5ac0d12
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 33,320 miles. Price: £58,888, £1,939 more than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-082150e8cd04

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, grey, 139 miles from this car. Mileage: 30,000 miles. Price: £69,995, £13,046 more than this car. Dealer: Harris Automotive in Radstock. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-62c77fdcc284