2020 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo GPF Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
• Year: 2020
• Mileage: 32,968 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 444 bhp
• Gearbox: Automatic (DCT)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 217 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW M4 Competition is advertised with 32,968 miles, approximately 5,600 below the typical mileage for its age. Its asking price of £31,000 is £4,254 below the AskCar estimate of £35,254. The AskCar estimate uses UK dealer asking prices, including 738 BMW M4 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 5 days ago. The government's MOT record matches its advertised mileage. You can find this car at Saxtons.co.uk in Chelmsford. 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

Good value: £4,254 (12%) under the AskCar estimate of £35,254.

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 4 November 2026.

A 2020 BMW M4 with the 3.0 petrol engine is typically advertised at £35,000: the median of the 55 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 BMW M4 advertised 5 days ago. About 3 in 10 of 2020 BMW M4 cars are gone from sale within a month of being advertised: 20 of the 62 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £31,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 March 2027.

It failed its MOT on 10 March 2026 (nearside front tyre has a tear, caused by separation or partial failure of its structure) and passed 1 day later, on 11 March 2026.

There were no advisories at the latest test.

Mileage at that test: 30,675 miles, which matches the advertised 32,968 miles.

Advertised mileage is about 5,600 miles lower than the median mileage of a 2020 BMW M4 on AskCar.

Similar cars

3 other 2020 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £27,950 to £35,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 33,301 miles. Price: £35,990, £4,990 more than this car. Dealer: Safwat Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-18e19e751ce9
• 2020 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 40,700 miles. Price: £27,950, £3,050 less than this car. Dealer: BJC Car Sales in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-78e955ae7f32
• 2020 BMW M4 Competition, 3.0 petrol convertible, orange. Mileage: 25,000 miles. Price: £34,995, £3,995 more than this car. Dealer: Christchurch Performance Cars in Christchurch and Poole) Christchurch (Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-7aa224347ff3