The Comparative Analysis :
BMW 640i Convertible xDrive Automatic (13 - 13) vs. BMW 650i Convertible Automatic (12 - 13)
€ 87,300
![BMW 640i Convertible xDrive Automatic (13 - 13)](graphbase/cars/cars_big_png/BMW_6er_F12.png)
€ 95,900
![BMW 650i Convertible Automatic (12 - 13)](graphbase/cars/cars_big/BMW_6er_F12.webp)
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,900
ⓘ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 192.7 inches long, 74.6 inches wide and 53.7 inches tall.
640i Cabrio
650i Cabrio
53.7
74.6
81.9
53.7
74.6
81.9
74.6 in
Width
74.6 in
81.9 in
Width Incl. Mirrors
81.9 in
53.7 in
Height
53.7 in
112.4
192.7
112.4
192.7
192.7 in
Length
192.7 in
112.4 in
Wheelbase
112.4 in
Vehicle Weight
640i Cabrio
650i Cabrio
4376 lb
Curb Weight
4442 lb
5291 lb
Gross Vehicle
Weight
Weight
5269 lb
![BMW 640i Convertible xDrive Automatic (13 - 13)](graphbase/cars/cars_big_png/BMW_6er_F12.png)
Weight Difference:
66 lb
1.49 %
![BMW 650i Convertible Automatic (12 - 13)](graphbase/cars/cars_big_png/BMW_6er_F12.png)
General
640i Cabrio
650i Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
640i Cabrio
650i Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW N63
N55-B30
Engine Code
N63-B44
![](graphbase/engines/BMW_N55.png)
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.4 L / 215 cu in
316 hp
at 5800 rpm
Power
444 hp
at 5500 rpm
640i Cabrio
316 hp
444 hp
650i Cabrio
332 lb‑ft
at 1300 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
640i Cabrio
332 lb‑ft
479 lb‑ft
650i Cabrio
Performance
640i Cabrio
650i Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
246 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_6er_F12.png)
640i Cabrio
62 mph
62
mph
mph
226 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_6er_F12.png)
650i Cabrio
▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
10 lb/hp
640i Cabrio
13.85 lb/hp
10 lb/hp
650i Cabrio
Fuel Economy / Emissions
640i Cabrio
650i Cabrio
Fuel Economy
29 mpg
combined
26 mpg
640i Cabrio
29 mpg
26 mpg
650i Cabrio
21 mpg
city
19 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
531 mi
Range
489 mi
640i Cabrio
531 mi
489 mi
650i 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).
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).
168.7 kWh
640i Cabrio
155.3 kWh
168.7 kWh
650i Cabrio
Euro 5
Emission Standard
Euro 5
309 g/mi (NEFZ)
CO2 Emissions
335 g/mi (NEFZ)
Practical Convenience
640i Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
827 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data