The Comparative Analysis :

BMW 640d Cabrio xDrive Steptronic (15 - 18) vs. Porsche 911 Targa 4 (08 - 12)

€ 99,300
BMW 640d Cabrio xDrive Steptronic (15 - 18) BMW 640d Cabrio
€ 100,800
 Porsche 911 Targa 4 (08 - 12) Porsche 911 Targa 4
€ 99,300
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 640d Cabrio is significantly bigger in every dimension. It's 45.9 cm longer, 4.2 cm wider and 5.5 cm taller than the Porsche 911 Targa 4.
BMW 640d Cabrio
Porsche 911 Targa 4
1365
Blueprint BMW 640d Cabrio xDrive Steptronic (15 - 18)
1894
2081
1310
Blueprint Porsche 911 Targa 4 (08 - 12)
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1365 mm
Height
1310 mm
Blueprint BMW 640d Cabrio xDrive Steptronic (15 - 18)
2855
4894
Blueprint Porsche 911 Targa 4 (08 - 12)
2350
4435
4894 mm
Length
4435 mm
2855 mm
Wheelbase
2350 mm

Vehicle Weight

BMW 640d Cabrio
Porsche 911 Targa 4
2005 kg
Kerb Weight
1605 kg
2440 kg
Gross Vehicle
Weight
1910 kg
BMW 640d Cabrio xDrive Steptronic (15 - 18)
Weight Difference:
400 kg
19.95 %
Porsche 911 Targa 4 (08 - 12)

General

BMW 640d Cabrio
Porsche 911 Targa 4
F12
Generation
997
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW 640d Cabrio
Porsche 911 Targa 4
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
3614 CC
309 bhp
at 4400 rpm
Power
340 bhp
at 6500 rpm
BMW 640d Cabrio
309 bhp
340 bhp
Porsche 911 Targa 4
630 NM
at 1500 rpm
Max. Torque
390 NM
at 4400 rpm
BMW 640d Cabrio
630 NM
390 NM
Porsche 911 Targa 4

Performance

BMW 640d Cabrio
Porsche 911 Targa 4
155 mph
Maximum Speed
176 mph
5.3 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

74 m
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

72 m
0.000 sec

Porsche 911 Targa 4

▶ REPLAY
6.49 kg/bhp
Weight-to-Power Ratio
4.72 kg/bhp
BMW 640d Cabrio
6.49 kg/bhp
4.72 kg/bhp
Porsche 911 Targa 4

Fuel Economy / Emissions

BMW 640d Cabrio
Porsche 911 Targa 4
Fuel Economy
49 mpg
combined
27 mpg
BMW 640d Cabrio
49 mpg
27 mpg
Porsche 911 Targa 4
42 mpg
city
18 mpg
No data
motorway
38 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
67 L
Kraftstoffanzeige
750 mi
Range
393 mi
BMW 640d Cabrio
750 mi
393 mi
Porsche 911 Targa 4
Environmental Impact
119.3 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).
200.8 kWh
BMW 640d Cabrio
119.3 kWh
200.8 kWh
Porsche 911 Targa 4
Euro 6b (NEFZ)
Emission Standard
Euro 5
154 g/km (NEFZ)
CO2 Emissions
249 g/km (NEFZ)

Practical Convenience

BMW 640d Cabrio
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
305 kg
350 L
Boot Capacity
105 L
No data
Boot Capacity (Seats Down)
No data