The Comparative Analysis :
BMW 640i Convertible xDrive Steptronic (13 - 14) vs. BMW 630i Convertible Sport-Automatic (07 - 10)
€ 87,300
€ 81,200
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,200
ⓘ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 630i Cabrio.
640i Cabrio
630i 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
630i Cabrio
4376 lb
Curb Weight
4023 lb
5291 lb
Gross Vehicle
Weight
Weight
4740 lb
Weight Difference:
353 lb
8.07 %
General
640i Cabrio
630i Cabrio
F12
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
640i Cabrio
630i Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW N55
Engine Series
BMW N53
N55-B30
Engine Code
N53-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
268 hp
at 6700 rpm
640i Cabrio
316 hp
268 hp
630i Cabrio
332 lb‑ft
at 1300 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
640i Cabrio
332 lb‑ft
236 lb‑ft
630i Cabrio
Performance
640i Cabrio
630i Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
246 ft
0.000 sec
640i Cabrio
62 mph
62
mph
mph
318 ft
0.000 sec
630i Cabrio
▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
15.01 lb/hp
640i Cabrio
13.85 lb/hp
15.01 lb/hp
630i Cabrio
Fuel Economy / Emissions
640i Cabrio
630i Cabrio
Fuel Economy
29 mpg
combined
29 mpg
640i Cabrio
29 mpg
29 mpg
630i Cabrio
21 mpg
city
20 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
531 mi
Range
537 mi
640i Cabrio
531 mi
537 mi
630i 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).
153.5 kWh
640i Cabrio
155.3 kWh
153.5 kWh
630i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
309 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
640i Cabrio
630i Cabrio
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
