The Comparative Analysis :
Porsche 911 Targa 4 (08 - 12) vs. BMW 640i Cabrio xDrive Automatic (13 - 13)
€ 100,800

€ 87,300

€ 100,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Targa 4 is significantly smaller in every dimension. It's 45.9 cm shorter, 4.2 cm narrower and 5.5 cm lower than the BMW 640i Cabrio.
Porsche 911 Targa 4
BMW 640i Cabrio
1310
1852
2052
1365
1894
2081
1852 mm
Width
1894 mm
2052 mm
Width Incl. Mirrors
2081 mm
1310 mm
Height
1365 mm
2350
4435
2855
4894
4435 mm
Length
4894 mm
2350 mm
Wheelbase
2855 mm
Vehicle Weight
Porsche 911 Targa 4
BMW 640i Cabrio
1605 kg
Kerb Weight
1985 kg
1910 kg
Gross Vehicle
Weight
Weight
2400 kg

Weight Difference:
380 kg
19.14 %

General
Porsche 911 Targa 4
BMW 640i Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Targa 4
BMW 640i Cabrio
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30

4
Valves
4
6
Cylinders
6
3614 CC
Engine Capacity
2979 CC
340 bhp
at 6500 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 Targa 4
340 bhp
316 bhp
BMW 640i Cabrio
390 NM
at 4400 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 Targa 4
390 NM
450 NM
BMW 640i Cabrio
Performance
Porsche 911 Targa 4
BMW 640i Cabrio
176 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
72 m
0.000 sec

Porsche 911 Targa 4
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Cabrio
▶ REPLAY
4.72 kg/bhp
Weight-to-Power Ratio
6.28 kg/bhp
Porsche 911 Targa 4
4.72 kg/bhp
6.28 kg/bhp
BMW 640i Cabrio
Fuel Economy / Emissions
Porsche 911 Targa 4
BMW 640i Cabrio
Fuel Economy
27 mpg
combined
34 mpg
Porsche 911 Targa 4
27 mpg
34 mpg
BMW 640i Cabrio
18 mpg
city
25 mpg
38 mpg
motorway
No data
67 L
Fuel Tank Capacity
70 L
393 mi
Range
531 mi
Porsche 911 Targa 4
393 mi
531 mi
BMW 640i Cabrio
Environmental Impact
200.8 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).
155.3 kWh
Porsche 911 Targa 4
200.8 kWh
155.3 kWh
BMW 640i Cabrio
Euro 5
Emission Standard
Euro 5
249 g/km (NEFZ)
CO2 Emissions
192 g/km (NEFZ)
Practical Convenience
Porsche 911 Targa 4
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
305 kg
Maximum Payload
415 kg
105 L
Boot Capacity
350 L






No data
Boot Capacity (Seats Down)
No data