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Specs of BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic /2020, 2021, 2022, 2023, 2024/

2021 BMW 4 Series Convertible (G23) - Photo 1
BMW 4 Series Convertible (G23) - Photo 2BMW 4 Series Convertible (G23) - Photo 3BMW 4 Series Convertible (G23) - Photo 4BMW 4 Series Convertible (G23) - Photo 5BMW 4 Series Convertible (G23) - Photo 6BMW 4 Series Convertible (G23) - Photo 7BMW 4 Series Convertible (G23) - Photo 8BMW 4 Series Convertible (G23) - Photo 9BMW 4 Series Convertible (G23) - Photo 10

Key specs

BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic /Cabriolet 2020 - 2024/

What is the body type of BMW 4 Series Convertible (G23)?
Cabriolet, 2 Doors, 4 Seats
What is the fuel consumption and economy of BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic?
7.8-8.4 l/100 km
30.2 - 28 US mpg
36.2 - 33.6 UK mpg
12.8 - 11.9 km/l
How environmentally friendly is BMW 4 Series M440i (374 Hp) Mild Hybrid xDrive Steptronic?
177-192 g/km CO2
Euro 6d
How fast is 2020 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic?
250 km/h | 155 mph
0-100 km/h: 4.9 sec
0-60 mph: 4.7 sec
What is the power output of BMW 4 Series Cabriolet 2020 M440i (374 Hp) Mild Hybrid xDrive Steptronic?
374 Hp, 500 Nm
369 lb.-ft.
What is the engine displacement of BMW 4 Series Cabriolet 2020 M440i (374 Hp) Mild Hybrid xDrive Steptronic?
3.0 l
2998 cm3
182.95 cu. in.
What is the number of cylinders in 2020 BMW M440i (374 Hp) Mild Hybrid xDrive Steptronic?
6, Inline
What is the drivetrain of BMW 4 Series Convertible (G23) Cabriolet 2020 M440i (374 Hp) Mild Hybrid xDrive Steptronic?
All wheel drive (4x4). MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV). The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.
What is the length of 2020 BMW 4 Series Cabriolet?
4770 mm
187.8 in.
What is the width of 2020 BMW 4 Series Cabriolet?
1852 mm
72.91 in.
What is the kerb weight of 2020 BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic?
1890 kg
4167 lbs.
What is the maximum permissible mass of 2020 BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic?
2390 kg
5269 lbs.
What is the trunk (boot) capacity of 2020 BMW 4 Series Cabriolet?
300 - 385 l
10.6 - 13.6 cu. ft.
What are the number of gears and the gearbox type of 2020 BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic?
8, automatic transmission Steptronic
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General information

Brand
BMW
Model
4 Series
Generation
4 Series Convertible (G23)
Modification (Engine)
M440i (374 Hp) Mild Hybrid xDrive Steptronic
Start of production
2020
End of production
January, 2024
Powertrain Architecture
MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)
Body type
Cabriolet
Seats
4
Doors
2
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Performance specs

Combined fuel consumption (WLTP)
7.8-8.4 l/100 km 30.2 - 28 US mpg
36.2 - 33.6 UK mpg
12.8 - 11.9 km/l
CO2 emissions (WLTP)
177-192 g/km
Fuel consumption (economy) - urban (NEDC)
8.9-9.3 l/100 km 26.4 - 25.3 US mpg
31.7 - 30.4 UK mpg
11.2 - 10.8 km/l
Fuel consumption (economy) - extra urban (NEDC)
5.8-6.2 l/100 km 40.6 - 37.9 US mpg
48.7 - 45.6 UK mpg
17.2 - 16.1 km/l
Fuel consumption (economy) - combined (NEDC)
6.9-7.4 l/100 km 34.1 - 31.8 US mpg
40.9 - 38.2 UK mpg
14.5 - 13.5 km/l
CO2 emissions (NEDC)
159-169 g/km
Fuel Type
Petrol (Gasoline)
Acceleration 0 - 100 km/h
4.9 sec
Acceleration 0 - 62 mph
4.9 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net)
4.7 sec
Maximum speed
250 km/h, Electronically limited 155 mph
Emission standard
Euro 6d
Weight-to-power ratio
5.1 kg/Hp, 197.9 Hp/tonne
Weight-to-torque ratio
3.8 kg/Nm, 264.6 Nm/tonne

Electric and hybrid car specs

Gross battery capacity
0.4 kWh
Battery voltage
48 V
Battery technology
Lithium-ion (Li-Ion)
Battery location
Under the front hood

Electric motor 1

Electric motor power
11 Hp
Electric motor Torque
25 Nm 18 lb.-ft.
Electric motor location
Front, Longitudinal

Internal combustion engine specs

Power
374 Hp @ 5500-6500 rpm.
Power per litre
124.7 Hp/l
Torque
500 Nm @ 1900-5000 rpm. 369 lb.-ft. @ 1900-5000 rpm.
Engine layout
Front, Longitudinal
Engine Model/Code
B58B30B
Engine displacement
2998 cm3 182.95 cu. in.
Number of cylinders
6
Engine configuration
Inline
Cylinder Bore
82 mm 3.23 in.
Piston Stroke
94.6 mm 3.72 in.
Compression ratio
10.2:1
Number of valves per cylinder
4
Fuel injection system
Direct injection
Engine aspiration
TwinPower Turbo, Intercooler
Valvetrain
Double-VANOS, VALVETRONIC
Engine oil capacity
7.2 l 7.61 US qt | 6.34 UK qt
Engine oil specification
Log in to see.Log in to see.
Coolant
10.5 l 11.1 US qt | 9.24 UK qt
Engine systems
Start & Stop System
Particulate filter

Volume and weights

Kerb Weight
1890 kg 4167 lbs.
Max. weight
2390 kg 5269 lbs.
Max load
500 kg 1102 lbs.
Trunk (boot) space - minimum
300 l 10.6 cu. ft.
Trunk (boot) space - maximum
385 l 13.6 cu. ft.
Fuel tank capacity
59 l 15.59 US gal | 12.98 UK gal
Permitted trailer load with brakes (12%)
1800 kg 3968 lbs.
Permitted trailer load without brakes
750 kg 1653 lbs.
Permitted towbar download
75 kg 165 lbs.

Dimensions

Length
4770 mm 187.8 in.
Width
1852 mm 72.91 in.
Height
1394 mm 54.88 in.
Wheelbase
2851 mm 112.24 in.
Front track
1575 mm 62.01 in.
Rear (Back) track
1611 mm 63.43 in.
Ride height (ground clearance)
126 mm 4.96 in.
Drag coefficient (Cd)
0.28
Minimum turning circle (turning diameter)
12.0 m 39.37 ft.

Drivetrain, brakes and suspension specs

Drivetrain Architecture
The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.
Drive wheel
All wheel drive (4x4)
Number of gears and type of gearbox
8 gears, automatic transmission Steptronic
Front suspension
Suspension strut, Anti-roll bar
Rear suspension
Independent multi-link spring suspension with anti-roll bar
Front brakes
Ventilated discs
Rear brakes
Ventilated discs
Assisting systems
ABS (Anti-lock braking system)
Steering type
Steering rack and pinion
Power steering
Electric Steering
Tire size
Front wheel tires: 225/45 R18
Rear wheel tires: 255/40 R18 99
Wheel rim size
Front wheel rims: 7.5J x 18
Rear wheel rims: 8.5J x 18