2023 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 2dr (503 bhp)
• Year: 2023
• Mileage: 18,667 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M4 Competition is advertised with 18,667 miles on the clock. The AskCar estimate for this car is £52,575. It is priced at £50,495, which is £2,080 below that estimate. The AskCar estimate uses 738 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 155 days ago. Its asking price has since fallen by £200. We checked its advertised mileage against the government's MOT record, and they match. The seller is Howards Used Car Centre Barnstaple, based in Barnstaple. 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

Fair price: £2,080 (3%) under the AskCar estimate of £52,575.

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 738 priced BMW M4 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW M4 with the 3.0 petrol engine is typically advertised at £55,000: the median of the 82 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW M4 has been on sale for at least 155 days.

Price history

AskCar first saw this advert on 31 May 2026 at £50,695. Its asking price is now £50,495, £200 less. The latest price cut was seen on 4 October 2026.

Price changes recorded:

• 31 May 2026: £50,695
• 16 June 2026: £50,995
• 9 July 2026: £50,595
• 12 July 2026: £50,995
• 30 July 2026: £50,895
• 14 August 2026: £50,795
• 18 August 2026: £50,595
• 23 August 2026: £50,495
• 25 August 2026: £50,395
• 28 August 2026: £50,995
• 14 September 2026: £50,695
• 4 October 2026: £50,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 February 2027.

It has had one MOT, on 31 January 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,668 miles, which matches the advertised 18,667 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2023 BMW M4 on AskCar.

Similar cars

34 other 2023 BMW M4 Competition 3.0 petrol automatic coupes are for sale at UK dealers, from £44,975 to £62,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 18,641 miles. Price: £55,090, £4,595 more than this car. Dealer: Stratstone Bmw Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-e640fb8dfd37
• 2023 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 18,281 miles. Price: £56,950, £6,455 more than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-616bc53effa8
• 2023 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 17,980 miles. Price: £53,990, £3,495 more than this car. Dealer: Select Auto Solutions in Watford. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-5c0332a292e6

• The nearest: 2023 BMW M4 Competition, 3.0 petrol coupe, blue, 46 miles from this car. Mileage: 29,776 miles. Price: £59,990, £9,495 more than this car. Dealer: MINI UK at Vertu Bridgwater MINI in Bridgwater. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-bdf988805b20