The Comparative Analysis :
BMW 650i Convertible xDrive Automatic (12 - 13) vs. Porsche 911 Turbo Convertible S PDK (16 - 18)
€ 99,300

€ 218,200

€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 218,200
ⓘ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 15.2 inches longer, 0.6 inches wider and 2.8 inches taller than the Porsche 911 Turbo Convertible S.
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
53.7
74.6
81.9
50.9
74
77.9
74.6 in
Width
74 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
50.9 in
112.4
192.7
96.5
177.4
192.7 in
Length
177.4 in
112.4 in
Wheelbase
96.5 in
Vehicle Weight
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
4530 lb
Curb Weight
3847 lb
5434 lb
Gross Vehicle
Weight
Weight
4508 lb

Weight Difference:
683 lb
15.08 %

General
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.8 L / 186 cu in
444 hp
at 5500 rpm
Power
572 hp
at 6750 rpm
BMW 650i Cabrio
444 hp
572 hp
Porsche 911 Turbo Convertible S
479 lb‑ft
at 2000 rpm
Max. Torque
516 lb‑ft
at 5600 rpm
BMW 650i Cabrio
479 lb‑ft
516 lb‑ft
Porsche 911 Turbo Convertible S
Performance
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
155 mph
Maximum Speed
205 mph
4.9 sec
Acceleration 0 to 62 mph
3 sec
62 mph
62
mph
mph
223 ft
0.000 sec

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

Porsche 911 Turbo Convertible S
▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
6.73 lb/hp
BMW 650i Cabrio
10.2 lb/hp
6.73 lb/hp
Porsche 911 Turbo Convertible S
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
Fuel Economy
25 mpg
combined
25 mpg
BMW 650i Cabrio
25 mpg
25 mpg
Porsche 911 Turbo Convertible S
18 mpg
city
19 mpg
No data
highway
31 mpg
18.5 gal
Fuel Tank Capacity
18 gal
468 mi
Range
454 mi
BMW 650i Cabrio
468 mi
454 mi
Porsche 911 Turbo Convertible S
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).
176.2 kWh
BMW 650i Cabrio
176.2 kWh
176.2 kWh
Porsche 911 Turbo Convertible S
Euro 5
Emission Standard
Euro 6b (NEFZ)
349 g/mi (NEFZ)
CO2 Emissions
348 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
2
Doors
2
4
No. of Seats
4
904 lb
Maximum Payload
661 lb
9.9 cu ft
Trunk Volume
3.3 cu ft







No data
Cargo Volume (Seats Down)
No data