The Comparative Analysis :
Porsche 911 Carrera Cabriolet (15 - 18) vs. BMW 640i Cabrio Steptronic (15 - 18)
€ 111,000
€ 91,700
€ 111,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Cabriolet is significantly smaller in every dimension. It's 39.5 cm shorter, 8.6 cm narrower and 7.6 cm lower than the BMW 640i Cabrio.
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
1289
1808
1978
1365
1894
2081
1808 mm
Width
1894 mm
1978 mm
Width Incl. Mirrors
2081 mm
1289 mm
Height
1365 mm
2450
4499
2855
4894
4499 mm
Length
4894 mm
2450 mm
Wheelbase
2855 mm
Vehicle Weight
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
1575 kg
Kerb Weight
1895 kg
1925 kg
Gross Vehicle
Weight
Weight
2325 kg
Weight Difference:
320 kg
16.89 %
General
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
991
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 manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
6-cylinder boxer petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
2981 CC
Engine Capacity
2979 CC
365 bhp
at 6500 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 Carrera Cabriolet
365 bhp
316 bhp
BMW 640i Cabrio
450 NM
at 1700 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 Carrera Cabriolet
450 NM
450 NM
BMW 640i Cabrio
Performance
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
181 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
67 m
0.000 sec
Porsche 911 Carrera Cabriolet
62 mph
62
mph
mph
76 m
0.000 sec
BMW 640i Cabrio
▶ REPLAY
4.32 kg/bhp
Weight-to-Power Ratio
6 kg/bhp
Porsche 911 Carrera Cabriolet
4.32 kg/bhp
6 kg/bhp
BMW 640i Cabrio
Fuel Economy / Emissions
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
Fuel Economy
33 mpg
combined
37 mpg
Porsche 911 Carrera Cabriolet
33 mpg
37 mpg
BMW 640i Cabrio
24 mpg
city
26 mpg
43 mpg
motorway
No data
64 L
Fuel Tank Capacity
70 L
468 mi
Range
565 mi
Porsche 911 Carrera Cabriolet
468 mi
565 mi
BMW 640i Cabrio
Environmental Impact
161.1 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).
145.8 kWh
Porsche 911 Carrera Cabriolet
161.1 kWh
145.8 kWh
BMW 640i Cabrio
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6b (NEFZ)
195 g/km (NEFZ)
CO2 Emissions
179 g/km (NEFZ)
Practical Convenience
Porsche 911 Carrera Cabriolet
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
350 kg
Maximum Payload
430 kg
145 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data
