The Comparative Analysis :

BMW 640d Cabrio xDrive Steptronic (12 - 14) vs. Porsche 911 Targa 4 GTS (15 - 15)

€ 90,800
BMW 640d Cabrio xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 137,400
 Porsche 911 Targa 4 GTS (15 - 15) Porsche 911 Targa 4 GTS
€ 90,800
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 640d Cabrio is significantly bigger in every dimension. It's 38.5 cm longer, 4.2 cm wider and 7.4 cm taller than the Porsche 911 Targa 4 GTS.
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
1365
Blueprint BMW 640d Cabrio xDrive Steptronic (12 - 14)
1894
2081
1291
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1365 mm
Height
1291 mm
Blueprint BMW 640d Cabrio xDrive Steptronic (12 - 14)
2855
4894
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
2450
4509
4894 mm
Length
4509 mm
2855 mm
Wheelbase
2450 mm

Vehicle Weight

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
2005 kg
Kerb Weight
1635 kg
2440 kg
Gross Vehicle
Weight
1960 kg
BMW 640d Cabrio xDrive Steptronic (12 - 14)
Weight Difference:
370 kg
18.45 %
Porsche 911 Targa 4 GTS (15 - 15)

General

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
F12
Generation
991
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
7-speed manual 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
188 mph
5.4 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

75 m
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

65 m
0.000 sec

Porsche 911 Targa 4 GTS

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

Fuel Economy / Emissions

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
48 mpg
combined
28 mpg
BMW 640d Cabrio
48 mpg
28 mpg
Porsche 911 Targa 4 GTS
40 mpg
city
20 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
737 mi
Range
423 mi
BMW 640d Cabrio
737 mi
423 mi
Porsche 911 Targa 4 GTS
Environmental Impact
121.3 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).
189.4 kWh
BMW 640d Cabrio
121.3 kWh
189.4 kWh
Porsche 911 Targa 4 GTS
Euro 5
Emission Standard
Euro 6b (NEFZ)
154 g/km (NEFZ)
CO2 Emissions
237 g/km (NEFZ)

Practical Convenience

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