The Comparative Analysis :

BMW 640d Convertible xDrive Steptronic (12 - 14) vs. Porsche 911 Targa 4 GTS PDK (17 - 19)

€ 90,800
BMW 640d Convertible xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 150,400
 Porsche 911 Targa 4 GTS PDK (17 - 19) Porsche 911 Targa 4 GTS
€ 90,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,400

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

Vehicle Dimensions

The BMW 640d Cabrio is considerably bigger in every dimension. It's 14.4 inches longer, 1.7 inches wider and 2.9 inches taller than the Porsche 911 Targa 4 GTS.
BMW 640d Cabrio
Porsche 911 Targa 4 GTS
53.7
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
74.6
81.9
50.8
Blueprint Porsche 911 Targa 4 GTS PDK (17 - 19)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
50.8 in
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
112.4
192.7
Blueprint Porsche 911 Targa 4 GTS PDK (17 - 19)
96.5
178.3
192.7 in
Length
178.3 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
4420 lb
Curb Weight
3704 lb
5379 lb
Gross Vehicle
Weight
4497 lb
BMW 640d Convertible xDrive Steptronic (12 - 14)
Weight Difference:
717 lb
16.22 %
Porsche 911 Targa 4 GTS PDK (17 - 19)

General

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
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 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N57
Engine Series
N57-D30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
309 hp
at 4400 rpm
Power
444 hp
at 6500 rpm
BMW 640d Cabrio
309 hp
444 hp
Porsche 911 Targa 4 GTS
465 lb‑ft
at 1500 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 640d Cabrio
465 lb‑ft
406 lb‑ft
Porsche 911 Targa 4 GTS

Performance

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
155 mph
Maximum Speed
190 mph
5.4 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

167 ft
0.000 sec

Porsche 911 Targa 4 GTS

▶ REPLAY
14.3 lb/hp
Weight-to-Power Ratio
8.34 lb/hp
BMW 640d Cabrio
14.3 lb/hp
8.34 lb/hp
Porsche 911 Targa 4 GTS

Fuel Economy / Emissions

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
40 mpg
combined
27 mpg
BMW 640d Cabrio
40 mpg
27 mpg
Porsche 911 Targa 4 GTS
33 mpg
city
21 mpg
No data
highway
32 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
737 mi
Range
478 mi
BMW 640d Cabrio
737 mi
478 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).
164.8 kWh
BMW 640d Cabrio
121.3 kWh
164.8 kWh
Porsche 911 Targa 4 GTS
Euro 5
Emission Standard
Euro 6
248 g/mi (NEFZ)
CO2 Emissions
315 g/mi (NEFZ)

Practical Convenience

BMW 640d Cabrio
Porsche 911 Targa 4 GTS
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
794 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data