The Comparative Analysis :
BMW 650i Convertible (07 - 10) vs. Porsche 911 Targa 4 (08 - 12)
€ 89,300
€ 100,800
€ 89,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 100,800
ⓘ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, 0.1 inches wider and 2.5 inches taller than the Porsche 911 Targa 4.
BMW 650i Cabrio
Porsche 911 Targa 4
54.1
73
80.2
51.6
72.9
80.8
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
80.8 in
54.1 in
Height
51.6 in
109.4
189.8
92.5
174.6
189.8 in
Length
174.6 in
109.4 in
Wheelbase
92.5 in
Vehicle Weight
BMW 650i Cabrio
Porsche 911 Targa 4
4266 lb
Curb Weight
3538 lb
4982 lb
Gross Vehicle
Weight
Weight
4211 lb
Weight Difference:
728 lb
17.07 %
General
BMW 650i Cabrio
Porsche 911 Targa 4
E64
Generation
997
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 650i Cabrio
Porsche 911 Targa 4
V8 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW N62
Engine Series
N62-B48
Engine Code
4
Valves
4
8
Cylinders
6
4.8 L / 235 cu in
Displacement
3.6 L / 176 cu in
362 hp
at 6300 rpm
Power
340 hp
at 6500 rpm
BMW 650i Cabrio
362 hp
340 hp
Porsche 911 Targa 4
361 lb‑ft
at 3400 rpm
Max. Torque
288 lb‑ft
at 4400 rpm
BMW 650i Cabrio
361 lb‑ft
288 lb‑ft
Porsche 911 Targa 4
Performance
BMW 650i Cabrio
Porsche 911 Targa 4
155 mph
Maximum Speed
176 mph
5.5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
249 ft
0.000 sec
BMW 650i Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec
Porsche 911 Targa 4
▶ REPLAY
11.78 lb/hp
Weight-to-Power Ratio
10.41 lb/hp
BMW 650i Cabrio
11.78 lb/hp
10.41 lb/hp
Porsche 911 Targa 4
Fuel Economy / Emissions
BMW 650i Cabrio
Porsche 911 Targa 4
Fuel Economy
19 mpg
combined
22 mpg
BMW 650i Cabrio
19 mpg
22 mpg
Porsche 911 Targa 4
12 mpg
city
15 mpg
No data
highway
32 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
345 mi
Range
393 mi
BMW 650i Cabrio
345 mi
393 mi
Porsche 911 Targa 4
Environmental Impact
238.7 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).
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).
200.8 kWh
BMW 650i Cabrio
238.7 kWh
200.8 kWh
Porsche 911 Targa 4
Euro 4
Emission Standard
Euro 5
481 g/mi (NEFZ)
CO2 Emissions
401 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
672 lb
9.9 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data
