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Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic

General information
Photo of 2021 - 2024 Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic Cabriolet (374 Hp) - technical specs and dimensions
Power 374 Hp @ 5500-6500 rpm.
Torque 500 Nm @ 1900-5000 rpm.
Acceleration 0 - 100 km/h 4.9 sec
Maximum speed 250 km/h, Electronically limited
Brand
BMW
Model
4 Series
Generation
4 Series Convertible (G23)
Modification (Engine)
M440i (374 Hp) Mild Hybrid xDrive 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)
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
Cabriolet
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
4
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
2
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Bmw 4 Series Review

As a Cabriolet model, the Bmw 4 Series 4 Series Coupe (G22) (M440d (340 Hp) Mild Hybrid xDrive Steptronic) has been in production since 2020. The heart of the vehicle is a 2998 cm3 internal combustion engine producing 374 Hp @ 5500-6500 rpm.. It reaches a top speed of 250 km/h, Electronically limited and can complete the 0-100 km/h sprint in 4.9 sec. The specific power of 124.7 Hp/l highlights the efficiency of this engine setup. The power is delivered smoothly across 6 cylinders.

Known for its technical specifications and performance, the Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic (2021 - 2024) remains a popular choice for many drivers. This version boasts a robust powertrain under the hood, producing a total of 374 Hp @ 5500-6500 rpm.. Agile in its acceleration, this version completes the 0-100 km/h sprint in 4.9 sec. It demonstrates a steady character and inspires confidence through its handling. In a general assessment, the technical package of the Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic focuses on user satisfaction.
📊 Model Comparison AnalysisThis model delivers **+190 Hp** more power compared to its sibling 420d (190 Hp) Mild Hybrid Steptronic, is **3.3 seconds** faster from 0 to 100 km/h. This model delivers **+88 Hp** more power compared to its sibling 420i (184 Hp) Steptronic, is **0.9 seconds** faster from 0 to 100 km/h.
FAQ
How many horsepower does Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic have? +
The Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic model is equipped with an engine producing 374 Hp @ 5500-6500 rpm. total horsepower.
What is the 0-100 km/h acceleration of Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic? +
The Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic can accelerate from 0 to 100 km/h in just 4.9 sec.
What is the top speed of Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic? +
According to technical specs, the maximum speed of the vehicle is 250 km/h, Electronically limited.
What drivetrain does the Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic have? +
This model transfers power to the road via a All wheel drive (4x4) drivetrain.
Is the Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic a good car? +
Considering the technical specs and market position, the Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic is a highly competitive and desirable model in its class.
Is Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic reliable? +
The Bmw M440d (340 Hp) Mild Hybrid xDrive Steptronic is built with high engineering standards and is generally considered a reliable vehicle with proper maintenance.
Performance specs
Combined fuel consumption (WLTP)
7.8-8.4 l/100 km
CO2 emissions (WLTP)
177-192 g/km
Fuel consumption (urban) NEDC
8.9-9.3 l/100 km
Fuel consumption (extra-urban) NEDC
5.8-6.2 l/100 km
Fuel consumption (combined) NEDC
6.9-7.4 l/100 km
CO2 emissions NEDC
159-169 g/km
Fuel Type
Petrol (Gasoline)
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Acceleration 0 - 100 km/h
4.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 62 mph
4.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 60 mph (Calculated by User)
4.7 sec
Maximum speed
250 km/h, Electronically limited
Maximum speed represents the upper limit of velocity the vehicle can reach, limited by gear ratios, engine power, and aerodynamic resistance.
Emission standard
Euro 6d
Weight-to-power ratio
5.1 kg/Hp, 197.9 Hp/tonne
Weight-to-torque ratio
3.8 kg/Nm, 264.6 Nm/tonne
Electric cars and hybrids specs
Gross battery capacity
0.4 kWh
Battery capacity measures the total amount of energy stored in the battery pack. A larger capacity typically enables a longer driving range.
Battery Voltage
48 V
Battery technology
Lithium-ion (Li-Ion)
Battery location
Under the front hood
Electric motor power
11 Hp
Electric motor torque
25 Nm
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Electric motor location
Front, Longitudinal
Internal combustion engine specs
Power
374 Hp @ 5500-6500 rpm.
Power per litre
124.7 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
Torque
500 Nm @ 1900-5000 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Engine layout
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
Engine Model Code
B58B30B
Engine displacement
2998 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
Number of cylinders
6
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
Engine configuration
Inline
Cylinder bore
82 mm
Piston stroke
94.6 mm
Compression ratio
10.2:1
Number of valves per cylinder
4
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Direct injection
Engine aspiration
Twin-power turbo, Intercooler
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Valvetrain
Double-VANOS, VALVETRONIC
Engine oil capacity
7.2 l
Coolant
10.5 l
Engine systems
Start & Stop SystemParticulate filter
Space, Volume and weights
Kerb Weight
1890 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
2390 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
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 (12%)
1800 kg
Permitted trailer load without brakes
750 kg
Permitted towbar download
75 kg
Dimensions
Length
4770 mm
Width
1852 mm
Height
1394 mm
Wheelbase
2851 mm
Front track
1575 mm
Rear / Back Track
1611 mm
Ride height (ground clearance)
126 mm
Drag coefficient (Cd)
0.28
Minimum turning circle (turning diameter)
12.0 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.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
All wheel drive (4x4)
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Number of gears and type of gearbox
8 gears, automatic transmission Steptronic
Front suspension
Spring Strut, Transverse stabilizer
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Rear suspension
Independent multi-link spring suspension with stabilizer
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Front brakes
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Rear brakes
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Assisting systems
ABS (Anti-lock braking system)
Steering type
Steering rack and pinion
Power steering
Electric Steering
Tires size
Front wheel tires: 225/45 R18Rear wheel tires: 255/40 R18 99
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
Wheel rims size
Front wheel rims: 7.5J x 18Rear wheel rims: 8.5J x 18
Common OBD2 Fault Codes
2D56 🟢 Low
BMW Super knocking: Cylinder 3
Diagnostic Guide
2D58 🟢 Low
BMW Super knocking: Cylinder 4
Diagnostic Guide
2DE4 🟢 Low
BMW Fuel level sensor: Left side range
Diagnostic Guide
2DE5 🟢 Low
BMW Fuel level sensor: Right side range
Diagnostic Guide
Similar Models
Bmw 4 Series 420d (190 Hp) Mild Hybrid Steptronic
Bmw 4 Series
420d (190 Hp) Mild Hybrid Steptronic
Bmw 4 Series 420d (190 Hp) Mild Hybrid xDrive Steptronic
Bmw 4 Series
420d (190 Hp) Mild Hybrid xDrive Steptronic
Bmw 4 Series 420i (184 Hp) Steptronic
Bmw 4 Series
420i (184 Hp) Steptronic
Bmw 4 Series 430d (286 Hp) Mild Hybrid xDrive Steptronic
Bmw 4 Series
430d (286 Hp) Mild Hybrid xDrive Steptronic
User Reviews
A
Arthur 90
5 weeks ago
★★★☆☆
Does anyone experience any rattles or squeaks over time?
•
L
Leo 84
26 months ago
★★★☆☆
Switched from a different brand. The engine is snappy, great response time. Comfort is top-notch, great seats. Worth every single penny spent.
•
J
James 90
4 days ago
★★★★★
Decided on this after deep research. Very responsive throttle, makes highway overtaking a breeze. The infotainment is fast and lag-free. Planning to keep it for a long time.
•
O
Oliver A.
11 days ago
★★★★★
Got this car a few months ago. Very responsive throttle, makes highway overtaking a breeze. Sound insulation is great, very quiet cabin at high speeds. Worth every single penny spent.
•
G
George 95
4 days ago
★★★★☆
Decided on this after deep research. Engine performance exceeded my expectations. Spacious interior and practical cargo capacity. If you're undecided, just go for it.
•
O
Oscar B.
8 days ago
★★★★★
Bought a used model in great condition last year. Acceleration is punchy and satisfying. Spacious interior and practical cargo capacity. If you are thinking about buying one, go test drive it.
•

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