The Comparative Analysis :
BMW 640d Convertible Steptronic (15 - 18) vs. Porsche 911 Carrera Convertible 4 GTS PDK (17 - 19)
€ 95,900
€ 150,400
€ 95,900
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 2.8 inches taller than the Porsche 911 Carrera Convertible 4 GTS.
BMW 640d Cabrio
Porsche 911 Carrera Convertible 4 GTS
53.7
74.6
81.9
50.9
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
50.9 in
112.4
192.7
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 Carrera Convertible 4 GTS
4266 lb
Curb Weight
3660 lb
5214 lb
Gross Vehicle
Weight
Weight
4442 lb
Weight Difference:
606 lb
14.21 %
General
BMW 640d Cabrio
Porsche 911 Carrera Convertible 4 GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640d Cabrio
Porsche 911 Carrera Convertible 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 Carrera Convertible 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 Carrera Convertible 4 GTS
Performance
BMW 640d Cabrio
Porsche 911 Carrera Convertible 4 GTS
155 mph
Maximum Speed
190 mph
5.5 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph
62
mph
mph
249 ft
0.000 sec
BMW 640d Cabrio
62 mph
62
mph
mph
167 ft
0.000 sec
Porsche 911 Carrera Convertible 4 GTS
▶ REPLAY
13.81 lb/hp
Weight-to-Power Ratio
8.24 lb/hp
BMW 640d Cabrio
13.81 lb/hp
8.24 lb/hp
Porsche 911 Carrera Convertible 4 GTS
Fuel Economy / Emissions
BMW 640d Cabrio
Porsche 911 Carrera Convertible 4 GTS
Fuel Economy
42 mpg
combined
27 mpg
BMW 640d Cabrio
42 mpg
27 mpg
Porsche 911 Carrera Convertible 4 GTS
36 mpg
city
21 mpg
No data
highway
32 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
777 mi
Range
478 mi
BMW 640d Cabrio
777 mi
478 mi
Porsche 911 Carrera Convertible 4 GTS
Environmental Impact
115.2 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).
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
115.2 kWh
164.8 kWh
Porsche 911 Carrera Convertible 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6
240 g/mi (NEFZ)
CO2 Emissions
315 g/mi (NEFZ)
Practical Convenience
BMW 640d Cabrio
Porsche 911 Carrera Convertible 4 GTS
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
783 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
