The Comparative Analysis :
BMW 640i Convertible xDrive Automatic (13 - 13) vs. Bentley Continental GTC Speed Automatic (09 - 11)
€ 87,300

€ 222,600

€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 222,600
ⓘ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 BMW 640i Cabrio is 3.5 inches longer, 1.3 inches narrower and 0.9 inches lower than the Bentley Continental GTC Speed.
BMW 640i Cabrio
Bentley Continental GTC Speed
53.7
74.6
81.9
54.6
75.9
83.7
74.6 in
Width
75.9 in
81.9 in
Width Incl. Mirrors
83.7 in
53.7 in
Height
54.6 in
112.4
192.7
108.1
189.2
192.7 in
Length
189.2 in
112.4 in
Wheelbase
108.1 in
Vehicle Weight
BMW 640i Cabrio
Bentley Continental GTC Speed
4376 lb
Curb Weight
5600 lb
5291 lb
Gross Vehicle
Weight
Weight
6393 lb

Weight Difference:
1224 lb
21.86 %

General
BMW 640i Cabrio
Bentley Continental GTC Speed
F12
Generation
Continental
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 640i Cabrio
Bentley Continental GTC Speed
Straight-six gasoline engine with turbocharger
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
BMW N55
Engine Series
VW W12
N55-B30
Engine Code
BWRA, CKHC, MTBHT

4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6 L / 294 cu in
316 hp
at 5800 rpm
Power
603 hp
at 6000 rpm
BMW 640i Cabrio
316 hp
603 hp
Bentley Continental GTC Speed
332 lb‑ft
at 1300 rpm
Max. Torque
553 lb‑ft
at 1700 rpm
BMW 640i Cabrio
332 lb‑ft
553 lb‑ft
Bentley Continental GTC Speed
Performance
BMW 640i Cabrio
Bentley Continental GTC Speed
155 mph
Maximum Speed
200 mph
5.4 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW 640i Cabrio
62 mph
62
mph
mph
220 ft
0.000 sec

Bentley Continental GTC Speed
▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
9.29 lb/hp
BMW 640i Cabrio
13.85 lb/hp
9.29 lb/hp
Bentley Continental GTC Speed
Fuel Economy / Emissions
BMW 640i Cabrio
Bentley Continental GTC Speed
Fuel Economy
29 mpg
combined
14 mpg
BMW 640i Cabrio
29 mpg
14 mpg
Bentley Continental GTC Speed
21 mpg
city
9 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
23.8 gal
531 mi
Range
329 mi
BMW 640i Cabrio
531 mi
329 mi
Bentley Continental GTC Speed
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).
322 kWh
BMW 640i Cabrio
155.3 kWh
322 kWh
Bentley Continental GTC Speed
Euro 5
Emission Standard
Euro 4
309 g/mi (NEFZ)
CO2 Emissions
637 g/mi (NEFZ)
Practical Convenience
BMW 640i Cabrio
Bentley Continental GTC Speed
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
794 lb
9.9 cu ft
Trunk Volume
7.4 cu ft






No data
Cargo Volume (Seats Down)
No data