Compare: BMW 4 Series 2021 Cabriolet 340 Hp

General information

Brand

BMW

Model

4 Series

Generation

4 Series Convertible (G23)

Modification (Engine)

M440d (340 Hp) Mild Hybrid xDrive Steptronic

Start of production

November, 2021

End of production

January, 2024

Powertrain Architecture

MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)

Body type

Cabriolet

Seats

Doors

Performance specs

Fuel consumption at Low speed (WLTP)

10.1-10.6 l/100 km

Fuel consumption at Medium speed (WLTP)

5.9-6.4 l/100 km

Fuel consumption at high speed (WLTP)

5-5.5 l/100 km

Fuel consumption at very high speed (WLTP)

5.4-6.1 l/100 km

Combined fuel consumption (WLTP)

6-6.6 l/100 km

CO₂ emissions (WLTP)

157-172 g/km

Fuel Type

Diesel

Acceleration 0 - 100 km/h

5 sec

Acceleration 0 - 62 mph

5 sec

Acceleration 0 - 60 mph

4.8 sec (Calculated by Auto-Data.net)

Maximum speed

250 km/h, Electronically limited

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 and hybrid car 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

Engine layout

Front, Longitudinal

Internal combustion engine specs

Power

340 Hp @ 4400 rpm.

Power per litre

113.6 Hp/l

Torque

700 Nm @ 1750-2250 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

B57D30B

Engine displacement

2993 cm³

Number of cylinders

Engine configuration

Inline

Cylinder Bore

84 mm

Piston Stroke

90 mm

Compression ratio

16.5

Number of valves per cylinder

Fuel injection system

Diesel Commonrail

Engine aspiration

TwinPower Turbo, Intercooler

Valvetrain

DOHC

Engine oil capacity

7 l

Engine oil specification

Coolant

7.7 l

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

1980 kg

Max. weight

2480 kg

Max load

500 kg

Trunk (boot) space - minimum

300 l

Trunk (boot) space - maximum

385 l

Fuel tank capacity

59 l

Permitted trailer load with brakes (8%)

1800 kg

Permitted trailer load with brakes (12%)

1800 kg

Permitted trailer load without brakes

750 kg

Dimensions

Length

4768 mm

Width

1852 mm

Width including mirrors

2081 mm

Height

1384 mm

Wheelbase

2851 mm

Front track

1573 mm

Rear (Back) track

1612 mm

Front overhang

858 mm

Rear overhang

1059 mm

Minimum turning circle (turning diameter)

12 m

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

Suspension strut, Anti-roll bar

Rear suspension

Independent multi-link spring suspension with anti-roll bar

Front brakes

Ventilated discs

Rear brakes

Ventilated discs

Assisting systems

ABS (Anti-lock braking system)

Steering type

Steering rack and pinion

Power steering

Electric Steering

Tire size

Front wheel tires: 225/45 R18; 225/40 R19, Rear wheel tires: 250/40 R18; 255/35 R19

Wheel rim size

Front wheel rims: 7.5J x 18; 8J x 19, Rear wheel rims: 8.5J x 18; 8.5J x 19

Compare: BMW 4 Series Convertible (G23) M440d (340 Hp) Mild Hybrid xDrive Steptronic