BMW2024 M440d xDrive Convertible Specs

2024 (G23) BMW M440d xDrive Convertible Specs & Performance

2024, 2025, 2026 (G23)

Tech Specs Summary


3 L Inline 6 Bi-Turbo MHEV

155 mph

5.0 seconds

335 hp

36.7 mpg

2 Doors

4 Seats

13.6 ft3
lb
4,365 lbs
Front - AWD

Performance

Performance
Top Speed
155 mph
0-62 mph
5.0 seconds
0-60 mph
4.8 seconds
Power-to-Weight
13.03 lb/hp
Combined Power
335 hp
Combined Torque
516 lb·ft

Gas Mileage

Gas Mileage
Combined
36.7 mpg
Total Range
572 Miles
Tailpipe CO2
269 g/Mile

Electric Powertrain - Mild Hybrid

Electric Powertrain - Mild Hybrid
Peak Power
11 hp
11 ps
Peak Output
8 kW
Battery Size
0.53 kWh

Diesel Engine - Mild Hybrid

Diesel Engine - Mild Hybrid
Capacity
3 Liter
182.6 in3
Layout
Inline 6
Aspiration
Bi-Turbo
Peak Power
335 hp @ 4,400 RPM
340 ps @ 4,400 RPM
Peak Torque
516 lb·ft @ 1,750 RPM
700 N·m @ 1,750 RPM
Valvetrain
DOHC
Valves/Cylinder
4 (24v Total)
Fuel Delivery
Common Rail
Position
Front Engine
Orientation
Longitudinal
Fuel
Diesel
Fuel Tank Capacity
15.6 Gallons

More Engine Specs

More Engine Specs
Engine Name
B57D30
Compression Ratio
16.5:1
Bore x Stroke
3.307 x 3.543 in
Bore-Stroke Ratio
0.93:1
Under-Square
Specific Output
1.84 hp/in3
Power/Cylinder
56 hp
Cylinder Volume
30.5 in3
BMEP
426.3 PSI
29.4 Bar

Drivetrain & Chassis

Drivetrain & Chassis
Driven Wheels
AWD
All-wheel Drive
Transmission (AT)
8 Speeds
Front Tyre Size
225/45R18 Y
Rear Tyre Size
255/40R18 Y
Front Suspension
MacPherson Strut
Rear Suspension
Multi-Link
Front Brakes
Vented Disc
Rear Brakes
Vented Disc

Dimensions & Practicality

Dimensions & Practicality
Body
Medium Convertible
Door Count
2
Seat Count
4
Luggage Space
13.6 ft3
Turning Radius
39.4 ft
Curb Weight
4,365 lbs
Gross Weight
5,434 lbs
Maximum Payload
1,069 lbs
Towing Capacity
1,653-3,968 lbs
Length
187.8 in
Width
72.9 in
Height
54.9 in
Wheelbase
112.2 in
Front Track
62.3 in
Rear Track
62.7 in
★★★★★
★★★★★
3.3

Performance Rating2.9
Environment Rating1.3
Practicality Rating2.5

Pros & Cons vs Rivals

Performance
Environment
Practicality
Luggage
City Driving
Road Trips

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2024 BMW M440d xDrive Convertible Rankings

Fastest BMWs #19 / 1.7K
Top lb·ft BMWs #80 / 1.7K
Top HP/cu in BMWs #238 / 1.6K
Best 0-62 mph BMWs #244 / 1.7K
Top BHP BMWs #261 / 1.7K
Best MPG Convertibles #276 / 1.8K
Top Power/Weight BMWs #400 / 1.7K
Fastest Convertibles #483 / 1.8K
Most Powerful Convertibles #484 / 1.8K
Quickest 0-62 Convertibles #487 / 1.8K
Best MPG Hybrid #496 / 900+
Best MPG BMWs #667 / 1.7K
Fastest #1,768 / 23K
Quickest 0-62 mph #2,160 / 23K
Most Powerful #2,709 / 23K
Best MPG #8,035 / 23K
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