2025 M440i xDrive Convertible Specs2025 (G23) BMW M440i xDrive Convertible Specifications & Performance
2025, 2026 (G23)
Tech Specs Summary
- 
- 3 L Inline 6 Turbo MHEV
- 
- 155 mph
- 
- 4.8 seconds
- 
- 386 BHP
- 
- 39.2 mpg
- 
- 2 Doors
- 
- 4 Seats
- 
- 385 L
- 
- 1,925 kg
- Front - AWD
Performance
- Top Speed
- 155 mph
- 0-62 mph
- 4.8 seconds
- 0-60 mph
- 4.6 seconds
- Power-to-Weight
- 201 BHP/Tonne
- Combined Power
- 386 BHP
- Combined Torque
- 398 lb·ft
Fuel Economy
- Combined
- 39.2 mpg
- WLTP Low
- 25.2 mpg
- WLTP Medium
- 41.5 mpg
- WLTP High
- 46.3 mpg
- WLTP Extra-High
- 40.9 mpg
- Total Range
- 508 Miles
- CO2 Emissions
- 164 g/Km
Electric Powertrain - Mild Hybrid
- Peak Power
- 11 BHP
- 11 ps
- Peak Output
- 8 kW
- Peak Torque
- 148 lb·ft
- 200 N·m
- Battery Size
- 0.4 kWh
Petrol Engine - Mild Hybrid
- Displacement
- 3 Litre
- 2,998 cc
- Configuration
- Inline 6
- Aspiration
- Turbo
- Peak Power
- 376 BHP @ 5,200 RPM
- 381 ps @ 5,200 RPM
- Peak Torque
- 398 lb·ft @ 1,900 RPM
- 540 N·m @ 1,900 RPM
- Valvetrain
- DOHC
- Valves/Cylinder
- 4 (24v Total)
- Fuel Delivery
- Direct Injection
- Position
- Front Engine
- Orientation
- Longitudinal
- Fuel
- Petrol
- Fuel Tank Capacity
- 59 Litres
Extra Engine Specs
- Engine Name
- B58B30
- Compression Ratio
- 11:1
- Bore x Stroke
- 82 x 94.6 mm
- Bore-Stroke Ratio
- 0.87:1
- Under-Square
- Specific Output
- 125 BHP/L
- Power/Cylinder
- 63 BHP
- Unitary Capacity
- 500 cc
- BMEP
- 22.6 Bar
- 328.3 PSI
Drivetrain & Chassis
- Driven Wheels
- AWD
- All-wheel Drive
- Gearbox (AT)
- 8 Gears
- 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
- Body Style
- Medium Convertible
- Doors
- 2
- Seats
- 4
- Cargo Space
- 385 L
- Turning Circle
- 12 m
- Kerb Weight
- 1,925 kg
- Gross Weight
- 2,410 kg
- Maximum Payload
- 485 kg
- Tow Capacity
- 750-1,800 kg
- Length
- 4,770 mm
- Width
- 1,852 mm
- Height
- 1,394 mm
- Wheelbase
- 2,851 mm
- Front Track
- 1,579 mm
- Rear Track
- 1,612 mm
Euro NCAP Results
- Overall Rating
- ★★★★☆
- Adult Occupant
- 87%
- Child Occupant
- 87%
- Pedestrian
- 71%
- Safety Assist
- 64%
UK Vehicle Tax Cost
Registered On / After 01/04/2017
First Year
£1410
Standard
£200
+
£440
For Years 2-6 If List Price (inc. options) is over £40k
★★★★★
★★★★★
3.4
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Performance
Environment
Practicality
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