The Comparative Analysis :
BMW 650i Convertible Sport-Automatic (07 - 10) vs. Porsche 911 Carrera Convertible GTS (14 - 15)
€ 91,600

€ 130,300

€ 91,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 130,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 650i Cabrio is considerably bigger in every dimension. It's 12.2 inches longer, 0.1 inches wider and 3.2 inches taller than the Porsche 911 Carrera Convertible GTS.
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
54.1
73
80.2
50.9
72.9
77.9
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
77.9 in
54.1 in
Height
50.9 in
109.4
189.8
96.5
177.5
189.8 in
Length
177.5 in
109.4 in
Wheelbase
96.5 in
Vehicle Weight
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
4266 lb
Curb Weight
3461 lb
4982 lb
Gross Vehicle
Weight
Weight
4200 lb

Weight Difference:
805 lb
18.87 %

General
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
E64
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
7-speed manual transmission
Engine
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
V8 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW N62
Engine Series
N62-B48
Engine Code
4
Valves
4
8
Cylinders
6
4.8 L / 235 cu in
Displacement
3.8 L / 186 cu in
362 hp
at 6300 rpm
Power
424 hp
at 7500 rpm
BMW 650i Cabrio
362 hp
424 hp
Porsche 911 Carrera Convertible GTS
361 lb‑ft
at 3400 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW 650i Cabrio
361 lb‑ft
325 lb‑ft
Porsche 911 Carrera Convertible GTS
Performance
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
155 mph
Maximum Speed
189 mph
5.6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
256 ft
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
210 ft
0.000 sec

Porsche 911 Carrera Convertible GTS
▶ REPLAY
11.78 lb/hp
Weight-to-Power Ratio
8.16 lb/hp
BMW 650i Cabrio
11.78 lb/hp
8.16 lb/hp
Porsche 911 Carrera Convertible GTS
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
Fuel Economy
22 mpg
combined
24 mpg
BMW 650i Cabrio
22 mpg
24 mpg
Porsche 911 Carrera Convertible GTS
14 mpg
city
17 mpg
No data
highway
31 mpg
18.5 gal
Fuel Tank Capacity
16.9 gal
399 mi
Range
410 mi
BMW 650i Cabrio
399 mi
410 mi
Porsche 911 Carrera Convertible GTS
Environmental Impact
206.5 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).
183.8 kWh
BMW 650i Cabrio
206.5 kWh
183.8 kWh
Porsche 911 Carrera Convertible GTS
Euro 4
Emission Standard
Euro 6b (NEFZ)
415 g/mi (NEFZ)
CO2 Emissions
367 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
739 lb
9.9 cu ft
Trunk Volume
3.5 cu ft





No data
Cargo Volume (Seats Down)
No data