The Comparative Analysis :

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

€ 83,900
BMW 640i Convertible Steptronic (13 - 14) 640i Cabrio
€ 95,900
 BMW 650i Convertible Automatic (12 - 13) 650i Cabrio
€ 83,900
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
Blueprint BMW 640i Convertible Steptronic (13 - 14)
74.6
81.9
53.7
Blueprint BMW 650i Convertible Automatic (12 - 13)
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
Blueprint BMW 640i Convertible Steptronic (13 - 14)
112.4
192.7
Blueprint BMW 650i Convertible Automatic (12 - 13)
112.4
192.7
192.7 in
Length
192.7 in
112.4 in
Wheelbase
112.4 in

Vehicle Weight

640i Cabrio
650i Cabrio
4222 lb
Curb Weight
4442 lb
5049 lb
Gross Vehicle
Weight
5269 lb
BMW 640i Convertible Steptronic (13 - 14)
Weight Difference:
220 lb
4.95 %
BMW 650i Convertible Automatic (12 - 13)

General

640i Cabrio
650i Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
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
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
5.7 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

259 ft
0.000 sec

640i Cabrio

62 mph 62
mph

226 ft
0.000 sec

650i Cabrio

▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
10 lb/hp
640i Cabrio
13.36 lb/hp
10 lb/hp
650i Cabrio

Fuel Economy / Emissions

640i Cabrio
650i Cabrio
Fuel Economy
30 mpg
combined
26 mpg
640i Cabrio
30 mpg
26 mpg
650i Cabrio
22 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
557 mi
Range
489 mi
640i Cabrio
557 mi
489 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).
168.7 kWh
640i Cabrio
147.7 kWh
168.7 kWh
650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
291 g/mi (NEFZ)
CO2 Emissions
335 g/mi (NEFZ)

Practical Convenience

640i Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
827 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data