The Comparative Analysis :

Porsche 911 Carrera Cabriolet 4S (08 - 12) vs. BMW 640d Cabrio xDrive Steptronic (15 - 18)

€ 116,700
Porsche 911 Carrera Cabriolet 4S (08 - 12) Porsche 911 Carrera Cabriolet 4S
€ 99,300
 BMW 640d Cabrio xDrive Steptronic (15 - 18) BMW 640d Cabrio
€ 116,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Porsche 911 Carrera Cabriolet 4S is significantly smaller in every dimension. It's 45.9 cm shorter, 4.2 cm narrower and 6.5 cm lower than the BMW 640d Cabrio.
Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
1300
Blueprint Porsche 911 Carrera Cabriolet 4S (08 - 12)
1852
2052
1365
Blueprint BMW 640d Cabrio xDrive Steptronic (15 - 18)
1894
2081
1852 mm
Width
1894 mm
2052 mm
Width Incl. Mirrors
2081 mm
1300 mm
Height
1365 mm
Blueprint Porsche 911 Carrera Cabriolet 4S (08 - 12)
2350
4435
Blueprint BMW 640d Cabrio xDrive Steptronic (15 - 18)
2855
4894
4435 mm
Length
4894 mm
2350 mm
Wheelbase
2855 mm

Vehicle Weight

Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
1640 kg
Kerb Weight
2005 kg
1940 kg
Gross Vehicle
Weight
2440 kg
Porsche 911 Carrera Cabriolet 4S (08 - 12)
Weight Difference:
365 kg
18.2 %
BMW 640d Cabrio xDrive Steptronic (15 - 18)

General

Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Diesel
Permanent all-wheel drive
Drive
Permanent all-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
6-cylinder boxer petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N57
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3800 CC
Engine Capacity
2993 CC
380 bhp
at 6500 rpm
Power
309 bhp
at 4400 rpm
Porsche 911 Carrera Cabriolet 4S
380 bhp
309 bhp
BMW 640d Cabrio
420 NM
at 4400 rpm
Max. Torque
630 NM
at 1500 rpm
Porsche 911 Carrera Cabriolet 4S
420 NM
630 NM
BMW 640d Cabrio

Performance

Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
185 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

68 m
0.000 sec

Porsche 911 Carrera Cabriolet 4S

62 mph 62
mph

74 m
0.000 sec

BMW 640d Cabrio

▶ REPLAY
4.32 kg/bhp
Weight-to-Power Ratio
6.49 kg/bhp
Porsche 911 Carrera Cabriolet 4S
4.32 kg/bhp
6.49 kg/bhp
BMW 640d Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Cabriolet 4S
BMW 640d Cabrio
Fuel Economy
25 mpg
combined
49 mpg
Porsche 911 Carrera Cabriolet 4S
25 mpg
49 mpg
BMW 640d Cabrio
17 mpg
city
42 mpg
36 mpg
motorway
No data
Kraftstoffanzeige
67 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
372 mi
Range
750 mi
Porsche 911 Carrera Cabriolet 4S
372 mi
750 mi
BMW 640d Cabrio
Environmental Impact
212.1 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).
119.3 kWh
Porsche 911 Carrera Cabriolet 4S
212.1 kWh
119.3 kWh
BMW 640d Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
263 g/km (NEFZ)
CO2 Emissions
154 g/km (NEFZ)

Practical Convenience

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