The Comparative Analysis :
BMW 640i Convertible Steptronic (13 - 14) vs. BMW 650i Convertible Sport-Automatic (07 - 10)
€ 83,900
€ 91,600
€ 83,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,600
ⓘ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 640i Cabrio is 2.9 inches longer, 1.5 inches wider and 0.4 inches lower than the 650i Cabrio.
640i Cabrio
650i Cabrio
53.7
74.6
81.9
54.1
73
80.2
74.6 in
Width
73 in
81.9 in
Width Incl. Mirrors
80.2 in
53.7 in
Height
54.1 in
112.4
192.7
109.4
189.8
192.7 in
Length
189.8 in
112.4 in
Wheelbase
109.4 in
Vehicle Weight
640i Cabrio
650i Cabrio
4222 lb
Curb Weight
4266 lb
5049 lb
Gross Vehicle
Weight
Weight
4982 lb
Weight Difference:
44 lb
1.03 %
General
640i Cabrio
650i Cabrio
F12
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
640i Cabrio
650i Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N55
Engine Series
BMW N62
N55-B30
Engine Code
N62-B48
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.8 L / 235 cu in
316 hp
at 5800 rpm
Power
362 hp
at 6300 rpm
640i Cabrio
316 hp
362 hp
650i Cabrio
332 lb‑ft
at 1300 rpm
Max. Torque
361 lb‑ft
at 3400 rpm
640i Cabrio
332 lb‑ft
361 lb‑ft
650i Cabrio
Performance
640i Cabrio
650i Cabrio
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
259 ft
0.000 sec
640i Cabrio
62 mph
62
mph
mph
256 ft
0.000 sec
650i Cabrio
▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
11.78 lb/hp
640i Cabrio
13.36 lb/hp
11.78 lb/hp
650i Cabrio
Fuel Economy / Emissions
640i Cabrio
650i Cabrio
Fuel Economy
30 mpg
combined
22 mpg
640i Cabrio
30 mpg
22 mpg
650i Cabrio
22 mpg
city
14 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
557 mi
Range
399 mi
640i Cabrio
557 mi
399 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).
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).
206.5 kWh
640i Cabrio
147.7 kWh
206.5 kWh
650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
291 g/mi (NEFZ)
CO2 Emissions
415 g/mi (NEFZ)
Practical Convenience
640i Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
