The Comparative Analysis :
Porsche 911 Turbo Convertible S PDK (13 - 15) vs. BMW 650i Convertible xDrive Steptronic (13 - 14)
€ 209,800

€ 99,300

€ 209,800
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 Turbo Convertible S is considerably smaller in every dimension. It's 15.3 inches shorter, 0.6 inches narrower and 2.9 inches lower than the BMW 650i Cabrio.
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
50.9
74
77.9
53.7
74.6
81.9
74 in
Width
74.6 in
77.9 in
Width Incl. Mirrors
81.9 in
50.9 in
Height
53.7 in
96.5
177.4
112.4
192.7
177.4 in
Length
192.7 in
96.5 in
Wheelbase
112.4 in
Vehicle Weight
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
3858 lb
Curb Weight
4530 lb
4508 lb
Gross Vehicle
Weight
Weight
5434 lb

Weight Difference:
672 lb
14.83 %

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

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

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
BMW N63
Engine Code
N63-B44
4
Valves
4
6
Cylinders
8
3.8 L / 186 cu in
Displacement
4.4 L / 215 cu in
552 hp
at 6500 rpm
Power
444 hp
at 5500 rpm
Porsche 911 Turbo Convertible S
552 hp
444 hp
BMW 650i Cabrio
516 lb‑ft
at 5600 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
Porsche 911 Turbo Convertible S
516 lb‑ft
479 lb‑ft
BMW 650i Cabrio
Performance
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
198 mph
Maximum Speed
155 mph
3.2 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
144 ft
0.000 sec

Porsche 911 Turbo Convertible S
62 mph
62
mph
mph
223 ft
0.000 sec

BMW 650i Cabrio
▶ REPLAY
6.99 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
Porsche 911 Turbo Convertible S
6.99 lb/hp
10.2 lb/hp
BMW 650i Cabrio
Fuel Economy / Emissions
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
Fuel Economy
24 mpg
combined
25 mpg
Porsche 911 Turbo Convertible S
24 mpg
25 mpg
BMW 650i Cabrio
18 mpg
city
18 mpg
30 mpg
highway
No data
18 gal
Fuel Tank Capacity
18.5 gal
427 mi
Range
468 mi
Porsche 911 Turbo Convertible S
427 mi
468 mi
BMW 650i Cabrio
Environmental Impact
187.5 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).
176.2 kWh
Porsche 911 Turbo Convertible S
187.5 kWh
176.2 kWh
BMW 650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
372 g/mi (NEFZ)
CO2 Emissions
349 g/mi (NEFZ)
Practical Convenience
Porsche 911 Turbo Convertible S
BMW 650i Cabrio
2
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
904 lb
3.3 cu ft
Trunk Volume
9.9 cu ft







No data
Cargo Volume (Seats Down)
No data