Vehicle Overview
Key specifications and features at a glance
Year2021
Engine2998
Power275
FuelPetrol
TransmissionAutomatic
Seating4
Year2021 - Present
Engine1991
Power310
FuelPetrol
TransmissionAutomatic
Seating4
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Engine Capacity | 2998 | 1991 |
| Engine Code | B58B30M1 | M139 |
| Cylinder Configuration | Inline-6 | Inline-4 |
| Number of Cylinders | 6 | 4 |
| Aspiration | Turbocharged | Turbocharged |
| Power | 275 | 310 |
| Torque | 500 | 500 |
| Top Speed | 250 | 278 |
| Drive Type | AWD | RWD |
| Fuel Economy City | 8.1 | 8.1 |
| Fuel Economy Highway | 12.8 | 11.5 |
| Fuel Economy Combined | 11.9 | 10.8 |
| Emission Standard | Euro 6d | Euro 6e-bis |
| Tyre Size | 225 / 45 R18 front; 255 / 40 R18 rear | 255 / 45 R19 front; 285 / 40 R19 rear |
| Wheel Size | 18 | 19 |
| Number of Doors | 2 | 2 |
| Seating Capacity | 4 | 4 |
| Front Brakes | Ventilated M Sport disc | AMG high-performance composite ventilated disc |
| Rear Brakes | Ventilated M Sport disc | AMG high-performance composite ventilated disc |
| Front Suspension | Double-joint spring strut | Five-link independent |
| Rear Suspension | Five-link independent | Five-link independent |
| Steering Type | Electric variable sport steering | Electric rack-and-pinion |
| Number of Airbags | 8 | 8 |
| Towing Capacity | 1800 | — |
| Turning Circle | 12 | 13.05 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Fuel Tank Capacity | 59 | 70 |
| Length | 4768 | 4700 |
| Width | 1852 | 1915 |
| Height | 1384 | 1359 |
| Wheelbase | 2851 | 2700 |
| Ground Clearance | 127 | — |
| Kerb Weight | 1965 | 1810 |
| Boot Space | 385 | 213 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Adaptive Cruise Control | ||
| Autonomous Emergency Braking | ||
| Lane Departure Warning | ||
| Lane Keep Assist | ||
| Blind Spot Monitoring | ||
| Rear Cross Traffic Alert | ||
| Traffic Sign Recognition | ||
| Driver Attention Monitor | ||
| Front Parking Sensors | ||
| Rear Parking Sensors | ||
| 360 Camera | ||
| Reverse Camera | ||
| Hill Start Assist | ||
| Tyre Pressure Monitoring System | ||
| Rear Occupant Alert |
Comfort
| Feature | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Keyless Entry | ||
| NFC Keyless Entry | ||
| Push Button Start | ||
| Dual-Zone Climate Control | ||
| Tri-Zone Climate Control | ||
| Heated Front Seats | ||
| Ventilated Front Seats | ||
| Heated Steering Wheel | ||
| Power Tailgate | ||
| Remote Start | ||
| Power Driver Seat | ||
| Power Passenger Seat | ||
| Memory Seats | ||
| Auto Dimming Mirror | ||
| Rain Sensing Wipers | ||
| Adaptive Headlights |
Interior Exterior
| Feature | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Leather Seats | ||
| Fabric Seats | ||
| Ambient Lighting | ||
| Sunroof | ||
| Panoramic Roof | ||
| LED Headlights | ||
| Matrix LED Headlights | ||
| Daytime Running Lights | ||
| Alloy Wheels | ||
| Roof Rails | ||
| Rear Privacy Glass | ||
| Power Folding Mirrors |
Technology
| Feature | The 4 Convertible M440i xDrive Convertible | SL Roadster Mercedes-AMG SL 43 |
|---|---|---|
| Touchscreen Display | ||
| Digital Instrument Cluster | ||
| Apple CarPlay | ||
| Android Auto | ||
| Wireless Apple CarPlay | ||
| Wireless Android Auto | ||
| Wireless Phone Charging | ||
| Built-in Navigation | ||
| Premium Audio System | ||
| Head-Up Display | ||
| USB-C Ports | ||
| Bluetooth Connectivity | ||
| Voice Control | ||
| Connected Car App |
Pros & Cons
Strengths and weaknesses of each vehicle
BMW The 4 Convertible M440i xDrive Convertible
Pros
- +Powerful 374 hp six-cylinder engine
- +Strong xDrive all-wheel traction
- +Adaptive M suspension standard
- +Useful 1800 kg towing capacity
- +Practical variable boot space
Cons
- −Pakistan price is historical launch price
- −High premium-fuel consumption
- −Limited rear-seat space
- −Low ground clearance
- −Expensive imported maintenance
Mercedes-Benz SL Roadster Mercedes-AMG SL 43
Pros
- +Strong 310 kW performance
- +Rear-wheel-drive handling
- +Four-seat roadster layout
- +Premium AMG interior
- +Advanced AMG driving modes
Cons
- −No official current Pakistan price
- −Very small boot
- −Low roadster practicality
- −Expensive imported maintenance
- −Limited local parts availability
Which one should you buy?
Best for Performance: Mercedes-Benz SL Roadster Mercedes-AMG SL 43
System power around 310 kW supports a solid performance score.
Best for Practicality / Space: BMW The 4 Convertible M440i xDrive Convertible
Leads this comparison on best for practicality / space with a score of 55.
Our Recommendation
Choose BMW The 4 Convertible M440i xDrive Convertible if: You prioritise performance and responsive power.
Choose Mercedes-Benz SL Roadster Mercedes-AMG SL 43 if: You prioritise performance and responsive power.
Bottom Line: Mercedes-Benz SL Roadster Mercedes-AMG SL 43 leads on performance and BMW The 4 Convertible M440i xDrive Convertible leads on practicality.
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