The Comparative Analysis :
Porsche 911 Carrera Cabriolet S PDK (08 - 11) vs. BMW 640i Cabrio Steptronic (13 - 14)
€ 113,400
€ 83,900
€ 113,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Cabriolet S is significantly smaller in every dimension. It's 45.9 cm shorter, 8.6 cm narrower and 6.5 cm lower than the BMW 640i Cabrio.
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
1300
1808
2008
1365
1894
2081
1808 mm
Width
1894 mm
2008 mm
Width Incl. Mirrors
2081 mm
1300 mm
Height
1365 mm
2350
4435
2855
4894
4435 mm
Length
4894 mm
2350 mm
Wheelbase
2855 mm
Vehicle Weight
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
1615 kg
Kerb Weight
1915 kg
1920 kg
Gross Vehicle
Weight
Weight
2290 kg
Weight Difference:
300 kg
15.67 %
General
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3800 CC
Engine Capacity
2979 CC
380 bhp
at 6500 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 Carrera Cabriolet S
380 bhp
316 bhp
BMW 640i Cabrio
420 NM
at 4400 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 Carrera Cabriolet S
420 NM
450 NM
BMW 640i Cabrio
Performance
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
186 mph
Maximum Speed
155 mph
4.7 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
65 m
0.000 sec
Porsche 911 Carrera Cabriolet S
62 mph
62
mph
mph
79 m
0.000 sec
BMW 640i Cabrio
▶ REPLAY
4.25 kg/bhp
Weight-to-Power Ratio
6.06 kg/bhp
Porsche 911 Carrera Cabriolet S
4.25 kg/bhp
6.06 kg/bhp
BMW 640i Cabrio
Fuel Economy / Emissions
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
Fuel Economy
27 mpg
combined
36 mpg
Porsche 911 Carrera Cabriolet S
27 mpg
36 mpg
BMW 640i Cabrio
18 mpg
city
26 mpg
39 mpg
motorway
No data
64 L
Fuel Tank Capacity
70 L
386 mi
Range
557 mi
Porsche 911 Carrera Cabriolet S
386 mi
557 mi
BMW 640i Cabrio
Environmental Impact
195.2 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).
147.7 kWh
Porsche 911 Carrera Cabriolet S
195.2 kWh
147.7 kWh
BMW 640i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
242 g/km (NEFZ)
CO2 Emissions
181 g/km (NEFZ)
Practical Convenience
Porsche 911 Carrera Cabriolet S
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
305 kg
Maximum Payload
375 kg
135 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
