The Comparative Analysis :

BMW 650i Convertible Automatic (12 - 13) vs. Porsche 911 Targa 4 GTS (15 - 15)

€ 95,900
BMW 650i Convertible Automatic (12 - 13) BMW 650i Cabrio
€ 137,400
 Porsche 911 Targa 4 GTS (15 - 15) Porsche 911 Targa 4 GTS
€ 95,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 650i Cabrio is significantly bigger in every dimension. It's 15.2 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
Blueprint BMW 650i Convertible Automatic (12 - 13)
74.6
81.9
50.8
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
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 Automatic (12 - 13)
112.4
192.7
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
96.5
177.5
192.7 in
Length
177.5 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 650i Cabrio
Porsche 911 Targa 4 GTS
4442 lb
Curb Weight
3605 lb
5269 lb
Gross Vehicle
Weight
4321 lb
BMW 650i Convertible Automatic (12 - 13)
Weight Difference:
838 lb
18.86 %
Porsche 911 Targa 4 GTS (15 - 15)

General

BMW 650i Cabrio
Porsche 911 Targa 4 GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed manual transmission

Engine

BMW 650i Cabrio
Porsche 911 Targa 4 GTS
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
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
424 hp
at 7500 rpm
BMW 650i Cabrio
444 hp
424 hp
Porsche 911 Targa 4 GTS
479 lb‑ft
at 2000 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW 650i Cabrio
479 lb‑ft
325 lb‑ft
Porsche 911 Targa 4 GTS

Performance

BMW 650i Cabrio
Porsche 911 Targa 4 GTS
155 mph
Maximum Speed
188 mph
5 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

226 ft
0.000 sec

BMW 650i Cabrio

62 mph 62
mph

213 ft
0.000 sec

Porsche 911 Targa 4 GTS

▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
8.5 lb/hp
BMW 650i Cabrio
10 lb/hp
8.5 lb/hp
Porsche 911 Targa 4 GTS

Fuel Economy / Emissions

BMW 650i Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
26 mpg
combined
24 mpg
BMW 650i Cabrio
26 mpg
24 mpg
Porsche 911 Targa 4 GTS
19 mpg
city
17 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
489 mi
Range
423 mi
BMW 650i Cabrio
489 mi
423 mi
Porsche 911 Targa 4 GTS
Environmental Impact
168.7 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).
189.4 kWh
BMW 650i Cabrio
168.7 kWh
189.4 kWh
Porsche 911 Targa 4 GTS
Euro 5
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

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