The Comparative Analysis :
BMW 650i Cabrio xDrive Steptronic (13 - 14) vs. Porsche 911 Carrera Cabriolet 4 PDK (16 - 18)
€ 99,300

€ 121,900

€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 121,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 650i Cabrio is significantly bigger in every dimension. It's 39.5 cm longer, 4.2 cm wider and 7.5 cm taller than the Porsche 911 Carrera Cabriolet 4.
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
1365
1894
2081
1290
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1365 mm
Height
1290 mm
2855
4894
2450
4499
4894 mm
Length
4499 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
2055 kg
Kerb Weight
1645 kg
2465 kg
Gross Vehicle
Weight
Weight
1990 kg

Weight Difference:
410 kg
19.95 %

General
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
F12
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
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 650i Cabrio
Porsche 911 Carrera Cabriolet 4
V8 petrol engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4395 CC
Engine Capacity
2981 CC
444 bhp
at 5500 rpm
Power
365 bhp
at 6500 rpm
BMW 650i Cabrio
444 bhp
365 bhp
Porsche 911 Carrera Cabriolet 4
650 NM
at 2000 rpm
Max. Torque
450 NM
at 1700 rpm
BMW 650i Cabrio
650 NM
450 NM
Porsche 911 Carrera Cabriolet 4
Performance
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
155 mph
Maximum Speed
178 mph
4.9 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
68 m
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
63 m
0.000 sec

Porsche 911 Carrera Cabriolet 4
▶ REPLAY
4.63 kg/bhp
Weight-to-Power Ratio
4.51 kg/bhp
BMW 650i Cabrio
4.63 kg/bhp
4.51 kg/bhp
Porsche 911 Carrera Cabriolet 4
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
Fuel Economy
30 mpg
combined
36 mpg
BMW 650i Cabrio
30 mpg
36 mpg
Porsche 911 Carrera Cabriolet 4
22 mpg
city
27 mpg
No data
motorway
43 mpg
70 L
Fuel Tank Capacity
68 L
468 mi
Range
535 mi
BMW 650i Cabrio
468 mi
535 mi
Porsche 911 Carrera Cabriolet 4
Environmental Impact
176.2 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).
149.7 kWh
BMW 650i Cabrio
176.2 kWh
149.7 kWh
Porsche 911 Carrera Cabriolet 4
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
217 g/km (NEFZ)
CO2 Emissions
182 g/km (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Carrera Cabriolet 4
2
Doors
2
4
No. of Seats
4
410 kg
Maximum Payload
345 kg
350 L
Boot Capacity
125 L





No data
Boot Capacity (Seats Down)
No data