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2020 420i (184 Hp) Steptronic

Technical specifications and auto data, engine info, fuel consumption performance specs, dimensions and volumes

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

BMW

Series

4 Series

Model

420

Modification

420i (184 Hp) Steptronic

Body Type

Coupe

Start of production

2020

Emission standard

EURO 6d

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel tank capacity

59 l 15.59 US gal
12.98 UK gal

Engine displacement

1998 cm³ 121.93 cu. In.

Power

184 hp (at 5000 rpm)

Torque

300 Nm (at 1350 rpm) 221.27 lb. ft (at 1350 rpm)

Drive Axle

Rear wheel drive

Top Speed

240 km/h 149 mph

Gearbox type

Automatic

Number of Gears

8 Steptronic

Kerb weight

1525 kg 3362 lbs

Length

4768 mm 187.72 in

Width

1852 mm 72.91 in

Doors

2

Seats

4

Wheel rims

7.5J x 17

FULL SPECS

FUEL CONSUMPTION

WLTP

- Combined fuel consumption

6.3 - 7.1 l/100 km 37.33 - 33.13 US mpg
44.84 - 39.79 UK mpg

NEDC

- Urban

6.6 - 7.2 l/100 km 35.64 - 32.67 US mpg
42.8 - 39.23 UK mpg

- Extra urban

4.6 - 5 l/100 km 51.13 - 47.04 US mpg
61.41 - 56.5 UK mpg

- Combined

5.3 - 5.8 l/100 km 44.38 - 40.55 US mpg
53.3 - 48.7 UK mpg

CO2 Emissions

Emission standard

EURO 6d

NEDC

122 - 132 g/km

WLTP

143 - 161 g/km

PERFORMANCE

Speed

- Top speed

240 km/h 149 mph

Acceleration

0 - 100 km/h

7.5 sec

0 - 60 mph

7.1 sec

Drag coefficient (Cd)

0.25

ENGINE SPECIFICATION

Engine Model

B48B20A

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel system

Direct injection

Engine Location

Front, Longitudinal

Turbine

Twin-power turbo

Engine systems

Start & Stop System Particulate filter

Engine displacement

1998 cm³ 121.93 cu. In.

Power

184 hp (at 5000 rpm)

Torque

300 Nm (at 1350 rpm) 221.27 lb. ft (at 1350 rpm)

Number of cylinders

4

Valves per cylinder

4

Position of cylinders

Inline

Cylinder Bore

82 mm 3.23 in

Piston Stroke

94.6 mm 3.72 in

Compression ratio

11

Valvetrain

VALVETRONIC

Engine oil capacity

5.25 l 5.57 US qt
4.62 UK qt

Coolant

10 l 10.6 US qt
8.8 UK qt

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

DIMENSIONS

Length

4768 mm 187.72 in

Width

1852 mm 72.91 in

Width including mirrors

2081 mm 81.93 in

Height

1383 mm 54.45 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

127 mm 5 in

Turning diameter

11.4 m 37.4 ft

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

Rear wheel drive

Number of Gears

8 Steptronic

Brakes

- Front

Ventilated discs

- Rear

Ventilated discs

Assisting system

ABS

Steering type

Steering rack and pinion

Power steering

Electric Steering

Suspension

- Front

Double wishbone

- Rear

Independent multi-link suspension

Tire size

- Front

225/50 R17 98Y XL

Wheel rims

7.5J x 17

WEIGHTS & TRUNK SPACE

Kerb weight

1525 kg 3362 lbs

Max. weight

2015 kg 4442.3 lbs

Luggage capacity

- Min. (seats up)

440 l 15.54 cu ft

- Max. roof load

490 kg 1080.3 lbs

Max. trailer load with brakes

- 12%

1600 kg 3527.4 lbs

Max. trailer load w/out brakes

750 kg 1653.5 lbs

Max. towbar download

75 kg 165.3 lbs

MODEL REVIEW
BMW 4 Series Coupe (G22) 420i (184 Hp) Steptronic is made in