The Comparative Analysis :

BMW 650i Convertible xDrive Steptronic (13 - 14) vs. Porsche 911 Carrera Convertible GTS PDK (17 - 19)

€ 99,300
BMW 650i Convertible xDrive Steptronic (13 - 14) BMW 650i Cabrio
€ 143,000
 Porsche 911 Carrera Convertible GTS PDK (17 - 19) Porsche 911 Carrera Convertible GTS
€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 143,000

ⓘ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 14.4 inches longer, 1.7 inches wider and 2.9 inches taller than the Porsche 911 Carrera Convertible GTS.
BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
53.7
Blueprint BMW 650i Convertible xDrive Steptronic (13 - 14)
74.6
81.9
50.8
Blueprint Porsche 911 Carrera Convertible GTS PDK (17 - 19)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
50.8 in
Blueprint BMW 650i Convertible xDrive Steptronic (13 - 14)
112.4
192.7
Blueprint Porsche 911 Carrera Convertible GTS PDK (17 - 19)
96.5
178.3
192.7 in
Length
178.3 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
4530 lb
Curb Weight
3560 lb
5434 lb
Gross Vehicle
Weight
4376 lb
BMW 650i Convertible xDrive Steptronic (13 - 14)
Weight Difference:
970 lb
21.41 %
Porsche 911 Carrera Convertible GTS PDK (17 - 19)

General

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
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 L / 147 cu in
444 hp
at 5500 rpm
Power
444 hp
at 6500 rpm
BMW 650i Cabrio
444 hp
444 hp
Porsche 911 Carrera Convertible GTS
479 lb‑ft
at 2000 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 650i Cabrio
479 lb‑ft
406 lb‑ft
Porsche 911 Carrera Convertible GTS

Performance

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
155 mph
Maximum Speed
191 mph
4.9 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

223 ft
0.000 sec

BMW 650i Cabrio

62 mph 62
mph

174 ft
0.000 sec

Porsche 911 Carrera Convertible GTS

▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
8.02 lb/hp
BMW 650i Cabrio
10.2 lb/hp
8.02 lb/hp
Porsche 911 Carrera Convertible GTS

Fuel Economy / Emissions

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
Fuel Economy
25 mpg
combined
28 mpg
BMW 650i Cabrio
25 mpg
28 mpg
Porsche 911 Carrera Convertible GTS
18 mpg
city
22 mpg
No data
highway
34 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
468 mi
Range
473 mi
BMW 650i Cabrio
468 mi
473 mi
Porsche 911 Carrera Convertible GTS
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).
159.2 kWh
BMW 650i Cabrio
176.2 kWh
159.2 kWh
Porsche 911 Carrera Convertible GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6
349 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)

Practical Convenience

BMW 650i Cabrio
Porsche 911 Carrera Convertible GTS
2
Doors
2
4
No. of Seats
4
904 lb
Maximum Payload
816 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data