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BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic /2021, 2022, 2023, 2024/ Specs

2021 BMW 4 Series Convertible (G23) - Photo 1
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Key specs:
BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic
/Cabriolet 2021 - 2024/

What is the body type, BMW 4 Series Convertible (G23)?Cabriolet, 2 Doors, 4 Seats
What is the fuel economy, BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic?6-6.6 l/100 km
39.2 - 35.64 US mpg
47.08 - 42.8 UK mpg
16.67 - 15.15 km/l
How ECO is the car, BMW 4 Series M440d (340 Hp) Mild Hybrid xDrive Steptronic?157-172 g/km CO2
Euro 6d
How fast is the car, 2021 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic?250 km/h | 155.34 mph
0-100 km/h: 5 sec
0-60 mph: 4.8 sec
How much power, BMW 4 Series Cabriolet 2021 M440d (340 Hp) Mild Hybrid xDrive Steptronic?340 Hp, 700 Nm
516.29 lb.-ft.
What is the engine size, BMW 4 Series Cabriolet 2021 M440d (340 Hp) Mild Hybrid xDrive Steptronic?3.0 l
2993 cm3
182.64 cu. in.
How many cylinders, 2021 BMW M440d (340 Hp) Mild Hybrid xDrive Steptronic?6, Inline
What is the drivetrain, BMW 4 Series Convertible (G23) Cabriolet 2021 M440d (340 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.
How long is this vehicle, 2021 BMW 4 Series Cabriolet?4768 mm
187.72 in.
How wide is the vehicle, 2021 BMW 4 Series Cabriolet?1852 mm
72.91 in.
What is the curb weight, 2021 BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic?1980 kg
4365.15 lbs.
What is the gross weight, 2021 BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic?2480 kg
5467.46 lbs.
How much trunk (boot) space, 2021 BMW 4 Series Cabriolet?300 - 385 l
10.59 - 13.6 cu. ft.
How many gears, What type is the gearbox, 2021 BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic?8, automatic transmission Steptronic

BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic - Full specifications

General information
BrandBMW
Model 4 Series
Generation 4 Series Convertible (G23)
Modification (Engine) M440d (340 Hp) Mild Hybrid xDrive Steptronic
Start of production November, 2021 year
End of production January, 2024 year
Powertrain Architecture MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)
Body typeCabriolet
Seats 4
Doors 2
Performance specs
Fuel consumption at Low speed (WLTP) 10.1-10.6 l/100 km 23.29 - 22.19 US mpg
27.97 - 26.65 UK mpg
9.9 - 9.43 km/l
Fuel consumption at Medium speed (WLTP) 5.9-6.4 l/100 km 39.87 - 36.75 US mpg
47.88 - 44.14 UK mpg
16.95 - 15.63 km/l
Fuel consumption at high speed (WLTP) 5-5.5 l/100 km 47.04 - 42.77 US mpg
56.5 - 51.36 UK mpg
20 - 18.18 km/l
Fuel consumption at very high speed (WLTP) 5.4-6.1 l/100 km 43.56 - 38.56 US mpg
52.31 - 46.31 UK mpg
18.52 - 16.39 km/l
Combined fuel consumption (WLTP) 6-6.6 l/100 km 39.2 - 35.64 US mpg
47.08 - 42.8 UK mpg
16.67 - 15.15 km/l
CO2 emissions (WLTP)157-172 g/km
Fuel Type Diesel
Acceleration 0 - 100 km/h5 sec
Acceleration 0 - 62 mph5 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net) 4.8 sec
Maximum speed 250 km/h, Electronically limited 155.34 mph
Emission standard Euro 6d
Weight-to-power ratio 5.8 kg/Hp, 171.7 Hp/tonne
Weight-to-torque ratio 2.8 kg/Nm, 353.5 Nm/tonne
Electric cars and hybrids 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 18.44 lb.-ft.
Electric motor location Front, Longitudinal
Internal combustion engine specs
Power 340 Hp @ 4400 rpm.
Power per litre 113.6 Hp/l
Torque 700 Nm @ 1750-2250 rpm. 516.29 lb.-ft. @ 1750-2250 rpm.
Engine layout Front, Longitudinal
Engine Model/Code B57D30B
Engine displacement 2993 cm3 182.64 cu. in.
Number of cylinders 6
Engine configuration Inline
Cylinder Bore 84 mm 3.31 in.
Piston Stroke 90 mm 3.54 in.
Compression ratio 16.5:1
Number of valves per cylinder 4
Fuel injection system Diesel Commonrail
Engine aspiration Twin-power turbo, Intercooler
Valvetrain DOHC
Engine oil capacity 7 l 7.4 US qt | 6.16 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 7.7 l 8.14 US qt | 6.78 UK qt
Engine systemsStart & Stop System
Particulate filter
Space, Volume and weights
Kerb Weight 1980 kg 4365.15 lbs.
Max. weight 2480 kg 5467.46 lbs.
Max load 500 kg 1102.31 lbs.
Trunk (boot) space - minimum 300 l 10.59 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 (8%) 1800 kg 3968.32 lbs.
Permitted trailer load with brakes (12%) 1800 kg 3968.32 lbs.
Permitted trailer load without brakes 750 kg 1653.47 lbs.
Dimensions
Length 4768 mm 187.72 in.
Width 1852 mm 72.91 in.
Width including mirrors 2081 mm 81.93 in.
Height 1384 mm 54.49 in.
Wheelbase 2851 mm 112.24 in.
Front track 1573 mm 61.93 in.
Rear (Back) track 1612 mm 63.46 in.
Front overhang 858 mm 33.78 in.
Rear overhang 1059 mm 41.69 in.
Minimum turning circle (turning diameter) 12 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 Spring Strut, Transverse stabilizer
Rear suspension Independent multi-link spring suspension with stabilizer
Front brakesVentilated discs
Rear brakesVentilated discs
Assisting systemsABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size Front wheel tires: 225/45 R18; 225/40 R19
Rear wheel tires: 250/40 R18; 255/35 R19
Wheel rims sizeFront wheel rims: 7.5J x 18; 8J x 19
Rear wheel rims: 8.5J x 18; 8.5J x 19