Home >> Autocatalog >> BMW >> 4 Series >> 2021 4 Series Convertible (G23) >> 420d (190 Hp) Mild Hybrid Steptronic
Autocatalog Login Register Car Specs API
English ▼

2020 BMW 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic

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 Cabriolet 2020, 2021, 2022, 2023, 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) 420d (190 Hp) Mild Hybrid Steptronic?4.9-5.5 l/100 km
48 - 42.77 US mpg
57.65 - 51.36 UK mpg
20.41 - 18.18 km/l
How ECO is the car, BMW 4 Series 420d (190 Hp) Mild Hybrid Steptronic?127-143 g/km CO2
Euro 6d
How fast is the car, 2020 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic?236 km/h | 146.64 mph
0-100 km/h: 7.6 sec
0-60 mph: 7.2 sec
How much power, BMW 4 Series Cabriolet 2020 420d (190 Hp) Mild Hybrid Steptronic?190 Hp, 400 Nm
295.02 lb.-ft.
What is the engine size, BMW 4 Series Cabriolet 2020 420d (190 Hp) Mild Hybrid Steptronic?2.0 l
1995 cm3
121.74 cu. in.
How many cylinders, 2020 BMW 420d (190 Hp) Mild Hybrid Steptronic?4, Inline
What is the drivetrain, BMW 4 Series Convertible (G23) Cabriolet 2020 420d (190 Hp) Mild Hybrid Steptronic?Rear wheel drive. MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV). The Internal combustion engine (ICE) and electric motor drive the rear wheels of the car with the ability to work only in mixed mode.
How long is this vehicle, 2020 BMW 4 Series Cabriolet?4768 mm
187.72 in.
How wide is the vehicle, 2020 BMW 4 Series Cabriolet?1852 mm
72.91 in.
What is the curb weight, 2020 BMW 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic?1775 kg
3913.21 lbs.
What is the gross weight, 2020 BMW 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic?2270 kg
5004.49 lbs.
How much trunk (boot) space, 2020 BMW 4 Series Cabriolet?300 - 385 l
10.59 - 13.6 cu. ft.
How many gears, What type is the gearbox, 2020 BMW 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic?8, automatic transmission Steptronic

BMW 4 Series Convertible (G23) 420d (190 Hp) Mild Hybrid Steptronic 2020, 2021, 2022, 2023, 2024 Specs

General information
BrandBMW
Model 4 Series
Generation 4 Series Convertible (G23)
Modification (Engine) 420d (190 Hp) Mild Hybrid Steptronic
Start of production 2020 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
Combined fuel consumption (WLTP) 4.9-5.5 l/100 km 48 - 42.77 US mpg
57.65 - 51.36 UK mpg
20.41 - 18.18 km/l
CO2 emissions (WLTP)127-143 g/km
Fuel consumption (economy) - urban (NEDC) 4.7-5 l/100 km 50.05 - 47.04 US mpg
60.1 - 56.5 UK mpg
21.28 - 20 km/l
Fuel consumption (economy) - extra urban (NEDC) 3.9-4.3 l/100 km 60.31 - 54.7 US mpg
72.43 - 65.69 UK mpg
25.64 - 23.26 km/l
Fuel consumption (economy) - combined (NEDC) 4.2-4.5 l/100 km 56 - 52.27 US mpg
67.26 - 62.77 UK mpg
23.81 - 22.22 km/l
CO2 emissions (NEDC)111-119 g/km
Fuel Type Diesel
Acceleration 0 - 100 km/h7.6 sec
Acceleration 0 - 62 mph7.6 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net) 7.2 sec
Maximum speed 236 km/h 146.64 mph
Emission standard Euro 6d
Weight-to-power ratio 9.3 kg/Hp, 107 Hp/tonne
Weight-to-torque ratio 4.4 kg/Nm, 225.4 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 190 Hp @ 4000 rpm.
Power per litre 95.2 Hp/l
Torque 400 Nm @ 1750-2500 rpm. 295.02 lb.-ft. @ 1750-2500 rpm.
Engine layout Front, Longitudinal
Engine Model/Code B47D20B
Engine displacement 1995 cm3 121.74 cu. in.
Number of cylinders 4
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 5.5 l 5.81 US qt | 4.84 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 7 l 7.4 US qt | 6.16 UK qt
Engine systemsStart & Stop System
Particulate filter
Space, Volume and weights
Kerb Weight 1775 kg 3913.21 lbs.
Max. weight 2270 kg 5004.49 lbs.
Max load 495 kg 1091.29 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 (12%) 1600 kg 3527.4 lbs.
Permitted trailer load without brakes 750 kg 1653.47 lbs.
Permitted towbar download 75 kg 165.35 lbs.
Dimensions
Length 4768 mm 187.72 in.
Width 1852 mm 72.91 in.
Height 1384 mm 54.49 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) 124 mm 4.88 in.
Drag coefficient (Cd) 0.27
Minimum turning circle (turning diameter) 11.4 m 37.4 ft.
Drivetrain, brakes and suspension specs
Drivetrain Architecture The Internal combustion engine (ICE) and electric motor drive the rear wheels of the car with the ability to work only in mixed mode.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission Steptronic
Front suspension Coil spring, 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 225/50 R17
Wheel rims size7.5J x 17