The Comparative Analysis :

Porsche 911 Targa 4 PDK (20 - ..) vs. BMW 640i Cabrio Steptronic (13 - 14)

€ 128,500
Porsche 911 Targa 4 PDK (20 - ..) Porsche 911 Targa 4
€ 83,900
 BMW 640i Cabrio Steptronic (13 - 14) BMW 640i Cabrio
€ 128,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Porsche 911 Targa 4 is considerably smaller in every dimension. It's 37.5 cm shorter, 4.2 cm narrower and 6.8 cm lower than the BMW 640i Cabrio.
Porsche 911 Targa 4
BMW 640i Cabrio
1297
Blueprint Porsche 911 Targa 4 PDK (20 - ..)
1852
2024
1365
Blueprint BMW 640i Cabrio Steptronic (13 - 14)
1894
2081
1852 mm
Width
1894 mm
2024 mm
Width Incl. Mirrors
2081 mm
1297 mm
Height
1365 mm
Blueprint Porsche 911 Targa 4 PDK (20 - ..)
2450
4519
Blueprint BMW 640i Cabrio Steptronic (13 - 14)
2855
4894
4519 mm
Length
4894 mm
2450 mm
Wheelbase
2855 mm

Vehicle Weight

Porsche 911 Targa 4
BMW 640i Cabrio
1740 kg
Kerb Weight
1915 kg
2060 kg
Gross Vehicle
Weight
2290 kg
Porsche 911 Targa 4 PDK (20 - ..)
Weight Difference:
175 kg
9.14 %
BMW 640i Cabrio Steptronic (13 - 14)

General

Porsche 911 Targa 4
BMW 640i Cabrio
992
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Targa 4
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
380 bhp
at 6500 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 Targa 4
380 bhp
316 bhp
BMW 640i Cabrio
450 NM
at 1950 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 Targa 4
450 NM
450 NM
BMW 640i Cabrio

Performance

Porsche 911 Targa 4
BMW 640i Cabrio
180 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

61 m
0.000 sec

Porsche 911 Targa 4

62 mph 62
mph

79 m
0.000 sec

BMW 640i Cabrio

▶ REPLAY
4.58 kg/bhp
Weight-to-Power Ratio
6.06 kg/bhp
Porsche 911 Targa 4
4.58 kg/bhp
6.06 kg/bhp
BMW 640i Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4
BMW 640i Cabrio
Fuel Economy
29 mpg
combined
36 mpg
Porsche 911 Targa 4
29 mpg
36 mpg
BMW 640i Cabrio
22 mpg
city
26 mpg
35 mpg
motorway
No data
Kraftstoffanzeige
67 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
425 mi
Range
557 mi
Porsche 911 Targa 4
425 mi
557 mi
BMW 640i Cabrio
Environmental Impact
185.7 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).
147.7 kWh
Porsche 911 Targa 4
185.7 kWh
147.7 kWh
BMW 640i Cabrio
Euro 6d-ISC-FCM (WLTP) 36AP-AR
Emission Standard
Euro 6b (NEFZ)
238 g/km (WLTP)
CO2 Emissions
181 g/km (NEFZ)

Practical Convenience

Porsche 911 Targa 4
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
320 kg
Maximum Payload
375 kg
132 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data