The Comparative Analysis :

BMW 640i Cabrio Steptronic (13 - 14) vs. BMW 650i Cabrio xDrive Automatic (12 - 13)

€ 83,900
BMW 640i Cabrio Steptronic (13 - 14) 640i Cabrio
€ 99,300
 BMW 650i Cabrio xDrive Automatic (12 - 13) 650i Cabrio
€ 83,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300

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

Vehicle Dimensions

The dimensions of the 640i Cabrio and the 650i Cabrio are absolutely identical. Both are 4894 mm long, 1894 mm wide and 1365 mm tall.
640i Cabrio
650i Cabrio
1365
Blueprint BMW 640i Cabrio Steptronic (13 - 14)
1894
2081
1365
Blueprint BMW 650i Cabrio xDrive Automatic (12 - 13)
1894
2081
1894 mm
Width
1894 mm
2081 mm
Width Incl. Mirrors
2081 mm
1365 mm
Height
1365 mm
Blueprint BMW 640i Cabrio Steptronic (13 - 14)
2855
4894
Blueprint BMW 650i Cabrio xDrive Automatic (12 - 13)
2855
4894
4894 mm
Length
4894 mm
2855 mm
Wheelbase
2855 mm

Vehicle Weight

640i Cabrio
650i Cabrio
1915 kg
Kerb Weight
2055 kg
2290 kg
Gross Vehicle
Weight
2465 kg
BMW 640i Cabrio Steptronic (13 - 14)
Weight Difference:
140 kg
6.81 %
BMW 650i Cabrio xDrive Automatic (12 - 13)

General

640i Cabrio
650i Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

640i Cabrio
650i Cabrio
Straight-six petrol engine with tur­bo­charger
Engine Type
V8 petrol engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
BMW N63
N55-B30
Engine Code
N63-B44
4
Valves
4
6
Cylinders
8
2979 CC
Engine Capacity
4395 CC
316 bhp
at 5800 rpm
Power
444 bhp
at 5500 rpm
640i Cabrio
316 bhp
444 bhp
650i Cabrio
450 NM
at 1300 rpm
Max. Torque
650 NM
at 2000 rpm
640i Cabrio
450 NM
650 NM
650i Cabrio

Performance

640i Cabrio
650i Cabrio
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

79 m
0.000 sec

640i Cabrio

62 mph 62
mph

68 m
0.000 sec

650i Cabrio

▶ REPLAY
6.06 kg/bhp
Weight-to-Power Ratio
4.63 kg/bhp
640i Cabrio
6.06 kg/bhp
4.63 kg/bhp
650i Cabrio

Fuel Economy / Emissions

640i Cabrio
650i Cabrio
Fuel Economy
36 mpg
combined
30 mpg
640i Cabrio
36 mpg
30 mpg
650i Cabrio
26 mpg
city
22 mpg
No data
motorway
No data
Kraftstoffanzeige
70 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
557 mi
Range
468 mi
640i Cabrio
557 mi
468 mi
650i Cabrio
Environmental Impact
147.7 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).
176.2 kWh
640i Cabrio
147.7 kWh
176.2 kWh
650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
181 g/km (NEFZ)
CO2 Emissions
217 g/km (NEFZ)

Practical Convenience

640i Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
410 kg
350 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data