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

Key specs

BMW 4 Series (Convertible) 4 Series Convertible (G23) 2020,2021,2022,2023,2024

What is the body type, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

Convertible, 2 Doors, 4 Seats

How much power, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

190 Hp @ 4000 rpm.
95.2 Hp/l

How fast is the car, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

236 km/h 146.64 mph

What is the engine size, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

1995 cm3
121.74 cu. in.

How many cylinders, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

4, Inline

What is the drivetrain, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

Rear wheel drive,

How long is this vehicle, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

4768 mm
187.72 in.

How wide is the vehicle, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

1852 mm
72.91 in.

What is the curb weight, BMW 4 Series Convertible (G23) 420d (190 Hp) MHEV Steptronic 2020?

1775 kg
3913.21 lbs.

BMW 4 Series (Convertible) 4 Series Convertible (G23) 2020,2021,2022,2023,2024 Specs

General information

Brand BMW
Model 4 Series (Convertible)
Version 4 Series Convertible (G23)
Engine version 420d (190 Hp) MHEV Steptronic
Year production start 2020
Vehicle type Convertible
Horsepower RPM 190 Hp @ 4000 rpm.
Acceleration 0 - 100 kmh sec 7.6 sec
Curb weight kg -lbs total

1775 kg

3913.21 lbs.
Overall length mm - inch

4768 mm

187.72 in.
Doors 2
Top Speed 236 km/h 146.64 mph

Engine specs

Engine position and orientation Front, Longitudinal
Cylinders 4
Position of cylinders Inline
Displacement (liters)

1995 cm3

121.74 cu. in.
Eng. horsepower RPM 190 Hp @ 4000 rpm.
Horsepower per litre 95.2 Hp/l
Weight / horsepower kg/hp - hp/tons

9.3 kg/Hp

107 Hp/tonne
Weight / torque kg/Nm - Nm/tons 4.4 kg/Nm, 225.4 Nm/tonne

4.4 kg/Nm

225.4 Nm/tonne
Torque Nm RPM lb-ft RPM

400 Nm @ 1750-2500 rpm.

295.02 lb.-ft. @ 1750-2500 rpm.
Bore (mm in)

84 mm

3.31 in.
Stroke (mm in)

90 mm

3.54 in.
Compression ratio 16.5
Fuel delivery system Diesel Commonrail
Fuel type Diesel
Valvetrain 4
Engine aspiration Twin-power turbo, Intercooler
Engine oil liters | quarts

5.5 l

5.81 US qt | 4.84 UK qt
Emission certification Euro 6d
Powertrain architecture MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)
Electric motor power 11 Hp
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration Rear wheel drive

Brakes

Front brakes Ventilated discs
Rear brakes Ventilated discs
Brake control Ventilated discs
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

11.4 m

37.4 ft.

Suspension

Front suspension Double wishbone
Rear suspension Multi-link independent

Body / Chassis

Wheels & Tyres

Wheels size 225/50 R17 98Y XL
Wheels rims 7.5J x 17

Exterior

Interior

Safety and Security

Passenger

Passengers seats 4
Trunk space min liter | cu. Ft.

385 l

13.6 cu. ft.

Dimensions

Overall length mm - inch

4768 mm

187.72 in.
Overall width mm -inch

1852 mm

72.91 in.
Overall height mm -inch

1384 mm

54.49 in.
Wheelbase mm - inch

2851 mm

112.24 in.
Track width front mm - inch

1575 mm

62.01 in.
Track width rear mm - inch

1611 mm

63.43 in.
Coefficient of drag 0.27

Weights

Curb weight kg -lbs total

1775 kg

3913.21 lbs.
Gross weight kg -lbs total

2270 kg

5004.49 lbs.
Capacities kg - lbs

495 kg

1091.29 lbs.
Fuel tank liters | gallons

59 l

15.59 US gal | 12.98 UK gal

Fuel economy

Urban (NEDC) l/100 km - Mpg

4.7-5.0 l/100 km

50.05 - 47.04 US mpg
Extra urban (NEDC) l/100 km - Mpg

3.9-4.3 l/100 km

60.31 - 54.7 US mpg
Combined (NEDC) l/100 km - Mpg

4.2-4.5 l/100 km

56 - 52.27 US mpg
Autonomy km (combined use) NEDC 1404?761905
Combined fuel consumption (WLTP) 4.9-5.5 l/100 km 48 - 42.77 US mpg

Engine type

4 CYLINDER INLINE
https://www.thecarspec.com/components/engine/4-cylinders-inline

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