The Comparative Analysis :

BMW 640d Cabrio xDrive Steptronic (15 - 18) vs. Porsche 911 Carrera Cabriolet 4 GTS PDK (11 - 12)

€ 99,300
BMW 640d Cabrio xDrive Steptronic (15 - 18) BMW 640d Cabrio
€ 125,800
Porsche 911 Carrera Cabriolet 4 GTS PDK (11 - 12) Porsche 911 Carrera Cabriolet 4 GTS
€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 125,800

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, 4.2 cm wider and 6.5 cm taller than the Porsche 911 Carrera Cabriolet 4 GTS.
BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
1365
Blueprint BMW 640d Cabrio xDrive Steptronic (15 - 18)
1894
2081
1300
Blueprint Porsche 911 Carrera Cabriolet 4 GTS PDK (11 - 12)
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 (15 - 18)
2855
4894
Blueprint Porsche 911 Carrera Cabriolet 4 GTS PDK (11 - 12)
2350
4435
4894 mm
Length
4435 mm
2855 mm
Wheelbase
2350 mm

Vehicle Weight

BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
2005 kg
Kerb Weight
1670 kg
2440 kg
Gross Vehicle
Weight
1970 kg
BMW 640d Cabrio xDrive Steptronic (15 - 18)
Weight Difference:
335 kg
16.71 %
Porsche 911 Carrera Cabriolet 4 GTS PDK (11 - 12)

General

BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
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
7-speed dual clutch transmission

Engine

BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
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
402 bhp
at 7300 rpm
BMW 640d Cabrio
309 bhp
402 bhp
Porsche 911 Carrera Cabriolet 4 GTS
630 NM
at 1500 rpm
Max. Torque
420 NM
at 4400 rpm
BMW 640d Cabrio
630 NM
420 NM
Porsche 911 Carrera Cabriolet 4 GTS

Performance

BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
155 mph
Maximum Speed
186 mph
5.3 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

74 m
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

64 m
0.000 sec

Porsche 911 Carrera Cabriolet 4 GTS

 REPLAY
6.49 kg/bhp
Weight-to-Power Ratio
4.15 kg/bhp
BMW 640d Cabrio
6.49 kg/bhp
4.15 kg/bhp
Porsche 911 Carrera Cabriolet 4 GTS

Fuel Economy / Emissions

BMW 640d Cabrio
Porsche 911 Carrera Cabriolet 4 GTS
Fuel Economy
49 mpg
combined
26 mpg
BMW 640d Cabrio
49 mpg
26 mpg
Porsche 911 Carrera Cabriolet 4 GTS
42 mpg
city
18 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
67 L
Kraftstoffanzeige
750 mi
Range
389 mi
BMW 640d Cabrio
750 mi
389 mi
Porsche 911 Carrera Cabriolet 4 GTS
Environmental Impact
119.3 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).
202.8 kWh
BMW 640d Cabrio
119.3 kWh
202.8 kWh
Porsche 911 Carrera Cabriolet 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 5
154 g/km (NEFZ)
CO2 Emissions
251 g/km (NEFZ)

Practical Convenience

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