The Comparative Analysis :
BMW 650i Convertible xDrive Automatic (12 - 13) vs. Porsche 911 Targa 4 GTS PDK (17 - 19)
€ 99,300

€ 150,400

€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,400
ⓘ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 Targa 4 GTS.
BMW 650i Cabrio
Porsche 911 Targa 4 GTS
53.7
74.6
81.9
50.8
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
112.4
192.7
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 Targa 4 GTS
4530 lb
Curb Weight
3704 lb
5434 lb
Gross Vehicle
Weight
Weight
4497 lb

Weight Difference:
827 lb
18.25 %

General
BMW 650i Cabrio
Porsche 911 Targa 4 GTS
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 Targa 4 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 Targa 4 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 Targa 4 GTS
Performance
BMW 650i Cabrio
Porsche 911 Targa 4 GTS
155 mph
Maximum Speed
190 mph
4.9 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph
62
mph
mph
223 ft
0.000 sec

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

Porsche 911 Targa 4 GTS
▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
8.34 lb/hp
BMW 650i Cabrio
10.2 lb/hp
8.34 lb/hp
Porsche 911 Targa 4 GTS
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
25 mpg
combined
27 mpg
BMW 650i Cabrio
25 mpg
27 mpg
Porsche 911 Targa 4 GTS
18 mpg
city
21 mpg
No data
highway
32 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
468 mi
Range
478 mi
BMW 650i Cabrio
468 mi
478 mi
Porsche 911 Targa 4 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).
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).
164.8 kWh
BMW 650i Cabrio
176.2 kWh
164.8 kWh
Porsche 911 Targa 4 GTS
Euro 5
Emission Standard
Euro 6
349 g/mi (NEFZ)
CO2 Emissions
315 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Targa 4 GTS
2
Doors
2
4
No. of Seats
4
904 lb
Maximum Payload
794 lb
9.9 cu ft
Trunk Volume
3.5 cu ft





No data
Cargo Volume (Seats Down)
No data