The Comparative Analysis :

Porsche 911 Targa 4 GTS (17 - 18) vs. BMW 640i Cabrio xDrive Steptronic (13 - 14)

€ 146,200
Porsche 911 Targa 4 GTS (17 - 18) Porsche 911 Targa 4 GTS
€ 87,300
 BMW 640i Cabrio xDrive Steptronic (13 - 14) BMW 640i Cabrio
€ 146,200
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 GTS is considerably smaller in every dimension. It's 36.6 cm shorter, 4.2 cm narrower and 7.4 cm lower than the BMW 640i Cabrio.
Porsche 911 Targa 4 GTS
BMW 640i Cabrio
1291
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
1852
1978
1365
Blueprint BMW 640i Cabrio xDrive Steptronic (13 - 14)
1894
2081
1852 mm
Width
1894 mm
1978 mm
Width Incl. Mirrors
2081 mm
1291 mm
Height
1365 mm
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
2450
4528
Blueprint BMW 640i Cabrio xDrive Steptronic (13 - 14)
2855
4894
4528 mm
Length
4894 mm
2450 mm
Wheelbase
2855 mm

Vehicle Weight

Porsche 911 Targa 4 GTS
BMW 640i Cabrio
1660 kg
Kerb Weight
1985 kg
2025 kg
Gross Vehicle
Weight
2400 kg
Porsche 911 Targa 4 GTS (17 - 18)
Weight Difference:
325 kg
16.37 %
BMW 640i Cabrio xDrive Steptronic (13 - 14)

General

Porsche 911 Targa 4 GTS
BMW 640i Cabrio
991
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
7-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Targa 4 GTS
BMW 640i Cabrio
6-cylinder boxer petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six petrol engine with tur­bo­charger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
2981 CC
Engine Capacity
2979 CC
444 bhp
at 6500 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 Targa 4 GTS
444 bhp
316 bhp
BMW 640i Cabrio
550 NM
at 2150 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 Targa 4 GTS
550 NM
450 NM
BMW 640i Cabrio

Performance

Porsche 911 Targa 4 GTS
BMW 640i Cabrio
191 mph
Maximum Speed
155 mph
4.1 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

57 m
0.000 sec

Porsche 911 Targa 4 GTS

62 mph 62
mph

75 m
0.000 sec

BMW 640i Cabrio

▶ REPLAY
3.74 kg/bhp
Weight-to-Power Ratio
6.28 kg/bhp
Porsche 911 Targa 4 GTS
3.74 kg/bhp
6.28 kg/bhp
BMW 640i Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4 GTS
BMW 640i Cabrio
Fuel Economy
29 mpg
combined
34 mpg
Porsche 911 Targa 4 GTS
29 mpg
34 mpg
BMW 640i Cabrio
21 mpg
city
25 mpg
37 mpg
motorway
No data
Kraftstoffanzeige
67 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
429 mi
Range
531 mi
Porsche 911 Targa 4 GTS
429 mi
531 mi
BMW 640i Cabrio
Environmental Impact
183.8 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).
155.3 kWh
Porsche 911 Targa 4 GTS
183.8 kWh
155.3 kWh
BMW 640i Cabrio
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6b (NEFZ)
220 g/km (NEFZ)
CO2 Emissions
192 g/km (NEFZ)

Practical Convenience

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