The Comparative Analysis :
BMW 640d Cabrio Steptronic (11 - 14) vs. Porsche 911 Carrera Cabriolet S (08 - 11)
€ 87,400

€ 109,900

€ 87,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 109,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640d Cabrio is significantly bigger in every dimension. It's 45.9 cm longer, 8.6 cm wider and 6.5 cm taller than the Porsche 911 Carrera Cabriolet S.
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
1365
1894
2081
1300
1808
2008
1894 mm
Width
1808 mm
2081 mm
Width Incl. Mirrors
2008 mm
1365 mm
Height
1300 mm
2855
4894
2350
4435
4894 mm
Length
4435 mm
2855 mm
Wheelbase
2350 mm
Vehicle Weight
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
1935 kg
Kerb Weight
1585 kg
2340 kg
Gross Vehicle
Weight
Weight
1890 kg

Weight Difference:
350 kg
18.09 %

General
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
F12
Generation
997
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
BMW N57
Engine Series
N57-D30
Engine Code

4
Valves
4
6
Cylinders
6
2993 CC
Engine Capacity
3800 CC
309 bhp
at 4400 rpm
Power
380 bhp
at 6500 rpm
BMW 640d Cabrio
309 bhp
380 bhp
Porsche 911 Carrera Cabriolet S
630 NM
at 1500 rpm
Max. Torque
420 NM
at 4400 rpm
BMW 640d Cabrio
630 NM
420 NM
Porsche 911 Carrera Cabriolet S
Performance
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
155 mph
Maximum Speed
188 mph
5.6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
78 m
0.000 sec

BMW 640d Cabrio
62 mph
62
mph
mph
68 m
0.000 sec

Porsche 911 Carrera Cabriolet S
▶ REPLAY
6.26 kg/bhp
Weight-to-Power Ratio
4.17 kg/bhp
BMW 640d Cabrio
6.26 kg/bhp
4.17 kg/bhp
Porsche 911 Carrera Cabriolet S
Fuel Economy / Emissions
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
Fuel Economy
50 mpg
combined
26 mpg
BMW 640d Cabrio
50 mpg
26 mpg
Porsche 911 Carrera Cabriolet S
42 mpg
city
17 mpg
No data
motorway
37 mpg
70 L
Fuel Tank Capacity
64 L
777 mi
Range
368 mi
BMW 640d Cabrio
777 mi
368 mi
Porsche 911 Carrera Cabriolet S
Environmental Impact
115.2 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).
204.5 kWh
BMW 640d Cabrio
115.2 kWh
204.5 kWh
Porsche 911 Carrera Cabriolet S
Euro 5
Emission Standard
Euro 5
147 g/km (NEFZ)
CO2 Emissions
254 g/km (NEFZ)
Practical Convenience
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet S
2
Doors
2
4
No. of Seats
4
405 kg
Maximum Payload
305 kg
350 L
Boot Capacity
135 L





No data
Boot Capacity (Seats Down)
No data