The Comparative Analysis :

BMW 640i Cabrio xDrive Automatic (13 - 13) vs. BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)

€ 87,300
BMW 640i Cabrio xDrive Automatic (13 - 13) 640i Cabrio
€ 176,000
 BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..) M8 Competition Cabrio
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 176,000

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ a little. The 640i Cabrio is 2.7 cm longer, 1.3 cm narrower and 1.2 cm taller than the M8 Competition Cabrio.
640i Cabrio
M8 Competition Cabrio
1365
Blueprint BMW 640i Cabrio xDrive Automatic (13 - 13)
1894
2081
1353
Blueprint BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
1907
2137
1894 mm
Width
1907 mm
2081 mm
Width Incl. Mirrors
2137 mm
1365 mm
Height
1353 mm
Blueprint BMW 640i Cabrio xDrive Automatic (13 - 13)
2855
4894
Blueprint BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
2827
4867
4894 mm
Length
4867 mm
2855 mm
Wheelbase
2827 mm

Vehicle Weight

640i Cabrio
M8 Competition Cabrio
1985 kg
Kerb Weight
2085 kg
2400 kg
Gross Vehicle
Weight
2440 kg
BMW 640i Cabrio xDrive Automatic (13 - 13)
Weight Difference:
100 kg
4.8 %
BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)

General

640i Cabrio
M8 Competition Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

640i Cabrio
M8 Competition Cabrio
Straight-six petrol engine with tur­bo­charger
Engine Type
V8 petrol engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
BMW S63
N55-B30
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
2979 CC
Engine Capacity
4395 CC
316 bhp
at 5800 rpm
Power
616 bhp
at 6000 rpm
640i Cabrio
316 bhp
616 bhp
M8 Competition Cabrio
450 NM
at 1300 rpm
Max. Torque
750 NM
at 1800 rpm
640i Cabrio
450 NM
750 NM
M8 Competition Cabrio

Performance

640i Cabrio
M8 Competition Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph 62
mph

75 m
0.000 sec

640i Cabrio

62 mph 62
mph

46 m
0.000 sec

M8 Competition Cabrio

▶ REPLAY
6.28 kg/bhp
Weight-to-Power Ratio
3.38 kg/bhp
640i Cabrio
6.28 kg/bhp
3.38 kg/bhp
M8 Competition Cabrio

Fuel Economy / Emissions

640i Cabrio
M8 Competition Cabrio
Fuel Economy
34 mpg
combined
26 mpg
640i Cabrio
34 mpg
26 mpg
M8 Competition Cabrio
25 mpg
city
No data
No data
motorway
No data
Kraftstoffanzeige
70 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
531 mi
Range
391 mi
640i Cabrio
531 mi
391 mi
M8 Competition Cabrio
Environmental Impact
155.3 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
204.5 kWh
640i Cabrio
155.3 kWh
204.5 kWh
M8 Competition Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
192 g/km (NEFZ)
CO2 Emissions
255 g/km (WLTP)

Practical Convenience

640i Cabrio
M8 Competition Cabrio
2
Doors
2
4
No. of Seats
4
415 kg
Maximum Payload
355 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data