The Comparative Analysis :
BMW 640i Cabrio Steptronic (15 - 18) vs. Porsche 911 Carrera Cabriolet S PDK (19 - ..)
€ 91,700
€ 134,400
€ 91,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 134,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Cabrio is considerably bigger in every dimension. It's 37.5 cm longer, 4.2 cm wider and 6.6 cm taller than the Porsche 911 Carrera Cabriolet S.
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
1365
1894
2081
1299
1852
2024
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2024 mm
1365 mm
Height
1299 mm
2855
4894
2450
4519
4894 mm
Length
4519 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
1895 kg
Kerb Weight
1660 kg
2325 kg
Gross Vehicle
Weight
Weight
2040 kg
Weight Difference:
235 kg
12.4 %
General
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
F12
Generation
992
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed dual clutch transmission
Engine
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
Straight-six petrol engine with turbocharger
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
BMW N55
Engine Series
N55-B30
Engine Code
4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
2981 CC
316 bhp
at 5800 rpm
Power
444 bhp
at 6500 rpm
BMW 640i Cabrio
316 bhp
444 bhp
Porsche 911 Carrera Cabriolet S
450 NM
at 1300 rpm
Max. Torque
530 NM
at 2300 rpm
BMW 640i Cabrio
450 NM
530 NM
Porsche 911 Carrera Cabriolet S
Performance
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
155 mph
Maximum Speed
190 mph
5.5 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
76 m
0.000 sec
BMW 640i Cabrio
62 mph
62
mph
mph
54 m
0.000 sec
Porsche 911 Carrera Cabriolet S
▶ REPLAY
6 kg/bhp
Weight-to-Power Ratio
3.74 kg/bhp
BMW 640i Cabrio
6 kg/bhp
3.74 kg/bhp
Porsche 911 Carrera Cabriolet S
Fuel Economy / Emissions
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
Fuel Economy
37 mpg
combined
31 mpg
BMW 640i Cabrio
37 mpg
31 mpg
Porsche 911 Carrera Cabriolet S
26 mpg
city
24 mpg
No data
motorway
37 mpg
70 L
Fuel Tank Capacity
64 L
565 mi
Range
437 mi
BMW 640i Cabrio
565 mi
437 mi
Porsche 911 Carrera Cabriolet S
Environmental Impact
145.8 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).
172.4 kWh
BMW 640i Cabrio
145.8 kWh
172.4 kWh
Porsche 911 Carrera Cabriolet S
Euro 6b (NEFZ)
Emission Standard
Euro 6d
179 g/km (NEFZ)
CO2 Emissions
229 g/km (WLTP)
Practical Convenience
BMW 640i Cabrio
Porsche 911 Carrera Cabriolet S
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
380 kg
350 L
Boot Capacity
132 L
No data
Boot Capacity (Seats Down)
No data
