The Comparative Analysis :
BMW 650i Cabrio (07 - 10) vs. BMW 640i Cabrio xDrive Steptronic (15 - 18)
€ 89,300

€ 95,100

€ 89,300
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 slightly. The 650i Cabrio is 7.4 cm shorter, 3.9 cm narrower and 0.9 cm taller than the 640i Cabrio.
650i Cabrio
640i Cabrio
1374
1855
2036
1365
1894
2081
1855 mm
Width
1894 mm
2036 mm
Width Incl. Mirrors
2081 mm
1374 mm
Height
1365 mm
2780
4820
2855
4894
4820 mm
Length
4894 mm
2780 mm
Wheelbase
2855 mm
Vehicle Weight
650i Cabrio
640i Cabrio
1935 kg
Kerb Weight
1965 kg
2260 kg
Gross Vehicle
Weight
Weight
2390 kg

Weight Difference:
30 kg
1.53 %

General
650i Cabrio
640i Cabrio
E64
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

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
650i Cabrio
640i Cabrio
V8 petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
BMW N62
Engine Series
BMW N55
N62-B48
Engine Code
N55-B30

4
Valves
4
8
Cylinders
6
4799 CC
Engine Capacity
2979 CC
362 bhp
at 6300 rpm
Power
316 bhp
at 5800 rpm
650i Cabrio
362 bhp
316 bhp
640i Cabrio
490 NM
at 3400 rpm
Max. Torque
450 NM
at 1300 rpm
650i Cabrio
490 NM
450 NM
640i Cabrio
Performance
650i Cabrio
640i Cabrio
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
76 m
0.000 sec

650i Cabrio
62 mph
62
mph
mph
75 m
0.000 sec

640i Cabrio
▶ REPLAY
5.35 kg/bhp
Weight-to-Power Ratio
6.22 kg/bhp
650i Cabrio
5.35 kg/bhp
6.22 kg/bhp
640i Cabrio
Fuel Economy / Emissions
650i Cabrio
640i Cabrio
Fuel Economy
22 mpg
combined
34 mpg
650i Cabrio
22 mpg
34 mpg
640i Cabrio
15 mpg
city
25 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
70 L
345 mi
Range
531 mi
650i Cabrio
345 mi
531 mi
640i Cabrio
Environmental Impact
238.7 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).
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
650i Cabrio
238.7 kWh
155.3 kWh
640i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
299 g/km (NEFZ)
CO2 Emissions
191 g/km (NEFZ)
Practical Convenience
650i Cabrio
640i Cabrio
2
Doors
2
4
No. of Seats
4
325 kg
Maximum Payload
425 kg
350 L
Boot Capacity
350 L








No data
Boot Capacity (Seats Down)
No data