Vehicle Overview
Key specifications and features at a glance
The 8 Convertible 840i Convertible M Sport
Overview
The M4 Competition Convertible M4 Competition Convertible with M xDrive
2019
Year
2021
2998
Engine
2993
245
Power
390
Petrol
Fuel
Petrol
Automatic
Transmission
Automatic
4
Seating
4
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
The 8 Convertible 840i Convertible M Sport
Specification
The M4 Competition Convertible M4 Competition Convertible with M xDrive
2998
Engine Capacity
2993
B58B30M1
Engine Code
S58B30T0
Inline-6
Cylinder Configuration
Inline-6
6
Number of Cylinders
6
Turbocharged
Aspiration
Twin-turbocharged
245
Power
390
500
Torque
650
250
Top Speed
250
RWD
Drive Type
AWD
9.7
Fuel Economy City
6.8
6.2
Fuel Economy Highway
9.8
8.8
Fuel Economy Combined
8.1
Euro 6d
Emission Standard
Euro 6e
245 / 40 R19 front; 275 / 35 R19 rear
Tyre Size
275 / 35 R19 front; 285 / 30 R20 rear
19 inch
Wheel Size
19 front; 20 rear
2
Number of Doors
2
4
Seating Capacity
4
Ventilated discs, four-piston fixed calipers
Front Brakes
Ventilated M compound disc
Ventilated discs, single-piston floating calipers
Rear Brakes
Ventilated M compound disc
Aluminium double-wishbone with Adaptive M Suspension
Front Suspension
Double-joint spring strut adaptive M suspension
Five-link with Adaptive M Suspension
Rear Suspension
Five-link adaptive M suspension
Electric rack-and-pinion power steering
Steering Type
Electric M Servotronic steering
6
Number of Airbags
7
11.6
Turning Circle
12.2
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
The 8 Convertible 840i Convertible M Sport
Dimension
The M4 Competition Convertible M4 Competition Convertible with M xDrive
68
Fuel Tank Capacity
59
4843
Length
4801
1902
Width
1887
1339
Height
1399
2822
Wheelbase
2857
118
Ground Clearance
120
1840
Kerb Weight
2010
350
Boot Space
385
Features Comparison
Standard and optional equipment comparison
Safety
The 8 Convertible 840i Convertible M Sport
Feature
The M4 Competition Convertible M4 Competition Convertible with M xDrive
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 8 Convertible 840i Convertible M Sport
Feature
The M4 Competition Convertible M4 Competition Convertible with M xDrive
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 8 Convertible 840i Convertible M Sport
Feature
The M4 Competition Convertible M4 Competition Convertible with M xDrive
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 8 Convertible 840i Convertible M Sport
Feature
The M4 Competition Convertible M4 Competition Convertible with M xDrive
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 8 Convertible 840i Convertible M Sport
Pros
- +Strong turbocharged six-cylinder performance
- +Refined open-top luxury
- +Adaptive M Suspension
- +Premium four-seat cabin
- +Useful 350-litre boot
Cons
- −Very high purchase price
- −Expensive maintenance and tyres
- −Low ground clearance
- −Limited rear-seat space
- −High fuel consumption
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
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 8 Convertible 840i Convertible M Sport if: You prioritise performance and responsive power.
Choose BMW The M4 Competition Convertible M4 Competition Convertible with M xDrive 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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