2020 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
• Year: 2020
• Mileage: 25,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 444 bhp
• Gearbox: Automatic (DCT)
• Drive: Rear-wheel drive
• Colour: Orange
• CO2: 231 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW M4 Competition has covered 25,000 miles, around 11,700 fewer miles than is typical for its age. The dealer is asking £35,995, which is £2,238 below the AskCar estimate of £38,233. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £1,505. Its advertised mileage matches the government's MOT record. The seller is Christchurch Performance Cars, based in Christchurch. 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: £2,238 (5%) under the AskCar estimate of £38,233.

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 2020 BMW M4 with the 3.0 petrol engine is typically advertised at £35,000: the median of the 51 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW M4 has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £37,500. Its asking price is now £35,995, £1,505 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 16 October 2026: £37,500
• 22 October 2026: £36,995
• 30 October 2026: £35,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 January 2027.

It failed its MOT on 26 January 2026 (nearside headlamp aim too high; offside headlamp aim too high) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 20,687 miles, which matches the advertised 25,000 miles.

Advertised mileage is about 11,700 miles lower than the median mileage of a 2020 BMW M4 on AskCar.

Similar cars

2 other 2020 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £30,950 to £31,000, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2020 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 32,968 miles. Price: £31,000, £4,995 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-04a8c9a526ed
• 2020 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 40,700 miles. Price: £30,950, £5,045 less than this car. Dealer: BJC Car Sales in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-78e955ae7f32