The Comparative Analysis :
BMW 650i Convertible (07 - 10) vs. Porsche 911 Turbo Convertible (09 - 13)
€ 89,300
€ 161,700
€ 89,300
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 650i Cabrio is considerably bigger in every dimension. It's 14.6 inches longer, 0.1 inches wider and 2.9 inches taller than the Porsche 911 Turbo Convertible.
BMW 650i Cabrio
Porsche 911 Turbo Convertible
54.1
73
80.2
51.2
72.9
80.8
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
80.8 in
54.1 in
Height
51.2 in
109.4
189.8
92.5
175.2
189.8 in
Length
175.2 in
109.4 in
Wheelbase
92.5 in
Vehicle Weight
BMW 650i Cabrio
Porsche 911 Turbo Convertible
4266 lb
Curb Weight
3792 lb
4982 lb
Gross Vehicle
Weight
Weight
4398 lb
Weight Difference:
474 lb
11.11 %
General
BMW 650i Cabrio
Porsche 911 Turbo Convertible
E64
Generation
997
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 650i Cabrio
Porsche 911 Turbo Convertible
V8 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
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
493 hp
at 6000 rpm
BMW 650i Cabrio
362 hp
493 hp
Porsche 911 Turbo Convertible
361 lb‑ft
at 3400 rpm
Max. Torque
479 lb‑ft
at 1950 rpm
BMW 650i Cabrio
361 lb‑ft
479 lb‑ft
Porsche 911 Turbo Convertible
Performance
BMW 650i Cabrio
Porsche 911 Turbo Convertible
155 mph
Maximum Speed
194 mph
5.5 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph
62
mph
mph
249 ft
0.000 sec
BMW 650i Cabrio
62 mph
62
mph
mph
174 ft
0.000 sec
Porsche 911 Turbo Convertible
▶ REPLAY
11.78 lb/hp
Weight-to-Power Ratio
7.69 lb/hp
BMW 650i Cabrio
11.78 lb/hp
7.69 lb/hp
Porsche 911 Turbo Convertible
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Turbo Convertible
Fuel Economy
19 mpg
combined
20 mpg
BMW 650i Cabrio
19 mpg
20 mpg
Porsche 911 Turbo Convertible
12 mpg
city
13 mpg
No data
highway
28 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
345 mi
Range
356 mi
BMW 650i Cabrio
345 mi
356 mi
Porsche 911 Turbo Convertible
Environmental Impact
238.7 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).
221.6 kWh
BMW 650i Cabrio
238.7 kWh
221.6 kWh
Porsche 911 Turbo Convertible
Euro 4
Emission Standard
Euro 5
481 g/mi (NEFZ)
CO2 Emissions
443 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Turbo Convertible
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
606 lb
9.9 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data
