The Comparative Analysis :

BMW 640d Cabrio xDrive Steptronic (12 - 14) vs. Porsche 911 Turbo Cabriolet (09 - 13)

€ 90,800
BMW 640d Cabrio xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 161,700
 Porsche 911 Turbo Cabriolet (09 - 13) Porsche 911 Turbo Cabriolet
€ 90,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 161,700

ⓘ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 44.4 cm longer, 4.2 cm wider and 6.5 cm taller than the Porsche 911 Turbo Cabriolet.
BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
1365
Blueprint BMW 640d Cabrio xDrive Steptronic (12 - 14)
1894
2081
1300
Blueprint Porsche 911 Turbo Cabriolet (09 - 13)
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1365 mm
Height
1300 mm
Blueprint BMW 640d Cabrio xDrive Steptronic (12 - 14)
2855
4894
Blueprint Porsche 911 Turbo Cabriolet (09 - 13)
2350
4450
4894 mm
Length
4450 mm
2855 mm
Wheelbase
2350 mm

Vehicle Weight

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
2005 kg
Kerb Weight
1720 kg
2440 kg
Gross Vehicle
Weight
1995 kg
BMW 640d Cabrio xDrive Steptronic (12 - 14)
Weight Difference:
285 kg
14.21 %
Porsche 911 Turbo Cabriolet (09 - 13)

General

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
F12
Generation
997
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer petrol engine with two tur­bo­chargers (bi­turbo)
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
493 bhp
at 6000 rpm
BMW 640d Cabrio
309 bhp
493 bhp
Porsche 911 Turbo Cabriolet
630 NM
at 1500 rpm
Max. Torque
650 NM
at 1950 rpm
BMW 640d Cabrio
630 NM
650 NM
Porsche 911 Turbo Cabriolet

Performance

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
155 mph
Maximum Speed
194 mph
5.4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

75 m
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

53 m
0.000 sec

Porsche 911 Turbo Cabriolet

▶ REPLAY
6.49 kg/bhp
Weight-to-Power Ratio
3.49 kg/bhp
BMW 640d Cabrio
6.49 kg/bhp
3.49 kg/bhp
Porsche 911 Turbo Cabriolet

Fuel Economy / Emissions

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
Fuel Economy
48 mpg
combined
24 mpg
BMW 640d Cabrio
48 mpg
24 mpg
Porsche 911 Turbo Cabriolet
40 mpg
city
16 mpg
No data
motorway
34 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
67 L
Kraftstoffanzeige
737 mi
Range
356 mi
BMW 640d Cabrio
737 mi
356 mi
Porsche 911 Turbo Cabriolet
Environmental Impact
121.3 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).
221.6 kWh
BMW 640d Cabrio
121.3 kWh
221.6 kWh
Porsche 911 Turbo Cabriolet
Euro 5
Emission Standard
Euro 5
154 g/km (NEFZ)
CO2 Emissions
275 g/km (NEFZ)

Practical Convenience

BMW 640d Cabrio
Porsche 911 Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
275 kg
350 L
Boot Capacity
105 L
No data
Boot Capacity (Seats Down)
No data