The Comparative Analysis :
BMW 640d Cabrio Steptronic (11 - 14) vs. Porsche 911 Targa 4 GTS PDK (15 - 15)
€ 87,400

€ 140,900

€ 87,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 140,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640d Cabrio is significantly bigger in every dimension. It's 38.5 cm longer, 4.2 cm wider and 7.6 cm taller than the Porsche 911 Targa 4 GTS.
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
1365
1894
2081
1289
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1365 mm
Height
1289 mm
2855
4894
2450
4509
4894 mm
Length
4509 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
1935 kg
Kerb Weight
1655 kg
2340 kg
Gross Vehicle
Weight
Weight
1980 kg

Weight Difference:
280 kg
14.47 %

General
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
BMW N57
Engine Series
N57-D30
Engine Code

4
Valves
4
6
Cylinders
6
2993 CC
Engine Capacity
3800 CC
309 bhp
at 4400 rpm
Power
424 bhp
at 7500 rpm
BMW 640d Cabrio
309 bhp
424 bhp
Porsche 911 Targa 4 GTS
630 NM
at 1500 rpm
Max. Torque
440 NM
at 5750 rpm
BMW 640d Cabrio
630 NM
440 NM
Porsche 911 Targa 4 GTS
Performance
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
155 mph
Maximum Speed
187 mph
5.6 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
78 m
0.000 sec

BMW 640d Cabrio
62 mph
62
mph
mph
60 m
0.000 sec

Porsche 911 Targa 4 GTS
▶ REPLAY
6.26 kg/bhp
Weight-to-Power Ratio
3.9 kg/bhp
BMW 640d Cabrio
6.26 kg/bhp
3.9 kg/bhp
Porsche 911 Targa 4 GTS
Fuel Economy / Emissions
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
50 mpg
combined
31 mpg
BMW 640d Cabrio
50 mpg
31 mpg
Porsche 911 Targa 4 GTS
42 mpg
city
23 mpg
No data
motorway
40 mpg
70 L
Fuel Tank Capacity
68 L
777 mi
Range
459 mi
BMW 640d Cabrio
777 mi
459 mi
Porsche 911 Targa 4 GTS
Environmental Impact
115.2 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).
174.3 kWh
BMW 640d Cabrio
115.2 kWh
174.3 kWh
Porsche 911 Targa 4 GTS
Euro 5
Emission Standard
Euro 6b (NEFZ)
147 g/km (NEFZ)
CO2 Emissions
214 g/km (NEFZ)
Practical Convenience
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
2
Doors
2
4
No. of Seats
4
405 kg
Maximum Payload
325 kg
350 L
Boot Capacity
125 L





No data
Boot Capacity (Seats Down)
No data