The Comparative Analysis :

BMW 640i Convertible xDrive Automatic (13 - 13) vs. Porsche 911 Carrera Convertible GTS PDK (17 - 19)

€ 87,300
BMW 640i Convertible xDrive Automatic (13 - 13) BMW 640i Cabrio
€ 143,000
 Porsche 911 Carrera Convertible GTS PDK (17 - 19) Porsche 911 Carrera Convertible GTS
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 143,000

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

Vehicle Dimensions

The BMW 640i 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 Carrera Convertible GTS.
BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
53.7
Blueprint BMW 640i Convertible xDrive Automatic (13 - 13)
74.6
81.9
50.8
Blueprint Porsche 911 Carrera Convertible 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 640i Convertible xDrive Automatic (13 - 13)
112.4
192.7
Blueprint Porsche 911 Carrera Convertible 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 640i Cabrio
Porsche 911 Carrera Convertible GTS
4376 lb
Curb Weight
3560 lb
5291 lb
Gross Vehicle
Weight
4376 lb
BMW 640i Convertible xDrive Automatic (13 - 13)
Weight Difference:
816 lb
18.65 %
Porsche 911 Carrera Convertible GTS PDK (17 - 19)

General

BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
Straight-six gasoline engine with tur­bo­charger
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
N55-B30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
444 hp
at 6500 rpm
BMW 640i Cabrio
316 hp
444 hp
Porsche 911 Carrera Convertible GTS
332 lb‑ft
at 1300 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 640i Cabrio
332 lb‑ft
406 lb‑ft
Porsche 911 Carrera Convertible GTS

Performance

BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
155 mph
Maximum Speed
191 mph
5.4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

174 ft
0.000 sec

Porsche 911 Carrera Convertible GTS

▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
8.02 lb/hp
BMW 640i Cabrio
13.85 lb/hp
8.02 lb/hp
Porsche 911 Carrera Convertible GTS

Fuel Economy / Emissions

BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
Fuel Economy
29 mpg
combined
28 mpg
BMW 640i Cabrio
29 mpg
28 mpg
Porsche 911 Carrera Convertible GTS
21 mpg
city
22 mpg
No data
highway
34 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
531 mi
Range
473 mi
BMW 640i Cabrio
531 mi
473 mi
Porsche 911 Carrera Convertible GTS
Environmental Impact
155.3 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).
159.2 kWh
BMW 640i Cabrio
155.3 kWh
159.2 kWh
Porsche 911 Carrera Convertible GTS
Euro 5
Emission Standard
Euro 6
309 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)

Practical Convenience

BMW 640i Cabrio
Porsche 911 Carrera Convertible GTS
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
816 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data