The Comparative Analysis :

BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..) vs. BMW 640i Cabrio xDrive Steptronic (15 - 18)

€ 176,000
BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..) M8 Competition Cabrio
€ 95,100
 BMW 640i Cabrio xDrive Steptronic (15 - 18) 640i Cabrio
€ 176,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,100

ⓘ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 M8 Competition Cabrio is 2.7 cm shorter, 1.3 cm wider and 1.2 cm lower than the 640i Cabrio.
M8 Competition Cabrio
640i Cabrio
1353
Blueprint BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
1907
2137
1365
Blueprint BMW 640i Cabrio xDrive Steptronic (15 - 18)
1894
2081
1907 mm
Width
1894 mm
2137 mm
Width Incl. Mirrors
2081 mm
1353 mm
Height
1365 mm
Blueprint BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
2827
4867
Blueprint BMW 640i Cabrio xDrive Steptronic (15 - 18)
2855
4894
4867 mm
Length
4894 mm
2827 mm
Wheelbase
2855 mm

Vehicle Weight

M8 Competition Cabrio
640i Cabrio
2085 kg
Kerb Weight
1965 kg
2440 kg
Gross Vehicle
Weight
2390 kg
BMW M8 Competition Cabrio xDrive Steptronic Sport (19 - ..)
Weight Difference:
120 kg
5.76 %
BMW 640i Cabrio xDrive Steptronic (15 - 18)

General

M8 Competition Cabrio
640i Cabrio
G14
Generation
F12
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

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

Performance

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

46 m
0.000 sec

M8 Competition Cabrio

62 mph 62
mph

75 m
0.000 sec

640i Cabrio

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

Fuel Economy / Emissions

M8 Competition Cabrio
640i Cabrio
Fuel Economy
26 mpg
combined
34 mpg
M8 Competition Cabrio
26 mpg
34 mpg
640i Cabrio
No data
city
25 mpg
No data
motorway
No data
Kraftstoffanzeige
68 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
391 mi
Range
531 mi
M8 Competition Cabrio
391 mi
531 mi
640i Cabrio
Environmental Impact
204.5 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).
155.3 kWh
M8 Competition Cabrio
204.5 kWh
155.3 kWh
640i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
255 g/km (WLTP)
CO2 Emissions
191 g/km (NEFZ)

Practical Convenience

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