Vehicle Overview
Key specifications and features at a glance
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Overview
SL Roadster Mercedes-AMG SL 43
2021
Year
2021 - Present
2993
Engine
1991
390
Power
310
Petrol
Fuel
Petrol
Automatic
Transmission
Automatic
4
Seating
4
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Specification
SL Roadster Mercedes-AMG SL 43
2993
Engine Capacity
1991
S58B30T0
Engine Code
M139
Inline-6
Cylinder Configuration
Inline-4
6
Number of Cylinders
4
Twin-turbocharged
Aspiration
Turbocharged
390
Power
310
650
Torque
500
250
Top Speed
278
AWD
Drive Type
RWD
6.8
Fuel Economy City
8.1
9.8
Fuel Economy Highway
11.5
8.1
Fuel Economy Combined
10.8
Euro 6e
Emission Standard
Euro 6e-bis
275 / 35 R19 front; 285 / 30 R20 rear
Tyre Size
255 / 45 R19 front; 285 / 40 R19 rear
19 front; 20 rear
Wheel Size
19
2
Number of Doors
2
4
Seating Capacity
4
Ventilated M compound disc
Front Brakes
AMG high-performance composite ventilated disc
Ventilated M compound disc
Rear Brakes
AMG high-performance composite ventilated disc
Double-joint spring strut adaptive M suspension
Front Suspension
Five-link independent
Five-link adaptive M suspension
Rear Suspension
Five-link independent
Electric M Servotronic steering
Steering Type
Electric rack-and-pinion
7
Number of Airbags
8
12.2
Turning Circle
13.05
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Dimension
SL Roadster Mercedes-AMG SL 43
59
Fuel Tank Capacity
70
4801
Length
4700
1887
Width
1915
1399
Height
1359
2857
Wheelbase
2700
120
Ground Clearance
—
2010
Kerb Weight
1810
385
Boot Space
213
Features Comparison
Standard and optional equipment comparison
Safety
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Feature
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
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Feature
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
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Feature
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
The M4 Competition Convertible M4 Competition Convertible with M xDrive
Feature
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 M4 Competition Convertible M4 Competition Convertible with M xDrive
Pros
- +Very strong 390 kW performance
- +Excellent M xDrive traction
- +Fast eight-speed automatic
- +Premium open-top driving
- +Track-capable adaptive suspension
Cons
- −Very high Pakistan price
- −High fuel consumption
- −Heavy kerb weight
- −Expensive imported maintenance
- −Costly staggered tyres
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: BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive
System power around 390 kW supports a solid performance score.
Best for Practicality / Space: BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive
Leads this comparison on best for practicality / space with a score of 56.
Our Recommendation
Choose BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive 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: BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive leads on performance and BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive leads on practicality.
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