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2020 BMW 4 Series Convertible (G23) 420i (184 Hp) 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) 420i (184 Hp) Steptronic?6.7-7.4 l/100 km
35.11 - 31.79 US mpg
42.16 - 38.17 UK mpg
14.93 - 13.51 km/l
How ECO is the car, BMW 4 Series 420i (184 Hp) Steptronic?152-169 g/km CO2
Euro 6d
How fast is the car, 2020 4 Series Convertible (G23) 420i (184 Hp) Steptronic?236 km/h | 146.64 mph
0-100 km/h: 8.2 sec
0-60 mph: 7.8 sec
How much power, BMW 4 Series Cabriolet 2020 420i (184 Hp) Steptronic?184 Hp, 300 Nm
221.27 lb.-ft.
What is the engine size, BMW 4 Series Cabriolet 2020 420i (184 Hp) Steptronic?2.0 l
1998 cm3
121.93 cu. in.
How many cylinders, 2020 BMW 420i (184 Hp) Steptronic?4, Inline
What is the drivetrain, BMW 4 Series Convertible (G23) Cabriolet 2020 420i (184 Hp) Steptronic?Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
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) 420i (184 Hp) Steptronic?1690 kg
3725.81 lbs.
What is the gross weight, 2020 BMW 4 Series Convertible (G23) 420i (184 Hp) Steptronic?2185 kg
4817.1 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) 420i (184 Hp) Steptronic?8, automatic transmission Steptronic

BMW 4 Series Convertible (G23) 420i (184 Hp) Steptronic 2020, 2021, 2022, 2023, 2024 Specs

General information
BrandBMW
Model 4 Series
Generation 4 Series Convertible (G23)
Modification (Engine) 420i (184 Hp) Steptronic
Start of production 2020 year
End of production January, 2024 year
Powertrain Architecture Internal Combustion engine
Body typeCabriolet
Seats 4
Doors 2
Performance specs
Combined fuel consumption (WLTP) 6.7-7.4 l/100 km 35.11 - 31.79 US mpg
42.16 - 38.17 UK mpg
14.93 - 13.51 km/l
CO2 emissions (WLTP)152-169 g/km
Fuel consumption (economy) - urban (NEDC) 7.1-7.4 l/100 km 33.13 - 31.79 US mpg
39.79 - 38.17 UK mpg
14.08 - 13.51 km/l
Fuel consumption (economy) - extra urban (NEDC) 4.9-5.4 l/100 km 48 - 43.56 US mpg
57.65 - 52.31 UK mpg
20.41 - 18.52 km/l
Fuel consumption (economy) - combined (NEDC) 5.7-6.1 l/100 km 41.27 - 38.56 US mpg
49.56 - 46.31 UK mpg
17.54 - 16.39 km/l
CO2 emissions (NEDC)131-140 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 - 100 km/h8.2 sec
Acceleration 0 - 62 mph8.2 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net) 7.8 sec
Maximum speed 236 km/h 146.64 mph
Emission standard Euro 6d
Weight-to-power ratio 9.2 kg/Hp, 108.9 Hp/tonne
Weight-to-torque ratio 5.6 kg/Nm, 177.5 Nm/tonne
Engine specs
Power 184 Hp @ 5000-6500 rpm.
Power per litre 92.1 Hp/l
Torque 300 Nm @ 1350-4000 rpm. 221.27 lb.-ft. @ 1350-4000 rpm.
Engine layout Front, Longitudinal
Engine Model/Code B48B20A
Engine displacement 1998 cm3 121.93 cu. in.
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 82 mm 3.23 in.
Piston Stroke 94.6 mm 3.72 in.
Compression ratio 11
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Twin-power turbo, Intercooler
Valvetrain VALVETRONIC
Engine oil capacity 5.25 l 5.55 US qt | 4.62 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 10 l 10.57 US qt | 8.8 UK qt
Engine systemsStart & Stop System
Particulate filter
Space, Volume and weights
Kerb Weight 1690 kg 3725.81 lbs.
Max. weight 2185 kg 4817.1 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.
Width including mirrors 2081 mm 81.93 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.
Front overhang 858 mm 33.78 in.
Rear overhang 1059 mm 41.69 in.
Ride height (ground clearance) 124 mm 4.88 in.
Drag coefficient (Cd) 0.28
Minimum turning circle (turning diameter) 11.4 m 37.4 ft.
Drivetrain, brakes and suspension specs
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission Steptronic
Front suspension Double wishbone
Rear suspension Independent multi-link suspension
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 98Y XL
Wheel rims size7.5J x 17