The Comparative Analysis :

Porsche 911 Carrera Convertible GTS (10 - 12) vs. BMW 640i Convertible Steptronic (15 - 18)

€ 115,100
Porsche 911 Carrera Convertible GTS (10 - 12) Porsche 911 Carrera Convertible GTS
€ 91,700
 BMW 640i Convertible Steptronic (15 - 18) BMW 640i Cabrio
€ 115,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,700

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

Vehicle Dimensions

The Porsche 911 Carrera Convertible GTS is significantly smaller in every dimension. It's 18.1 inches shorter, 1.7 inches narrower and 2.6 inches lower than the BMW 640i Cabrio.
Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
51.2
Blueprint Porsche 911 Carrera Convertible GTS (10 - 12)
72.9
80.8
53.7
Blueprint BMW 640i Convertible Steptronic (15 - 18)
74.6
81.9
72.9 in
Width
74.6 in
80.8 in
Width Incl. Mirrors
81.9 in
51.2 in
Height
53.7 in
Blueprint Porsche 911 Carrera Convertible GTS (10 - 12)
92.5
174.6
Blueprint BMW 640i Convertible Steptronic (15 - 18)
112.4
192.7
174.6 in
Length
192.7 in
92.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
3505 lb
Curb Weight
4178 lb
4178 lb
Gross Vehicle
Weight
5126 lb
Porsche 911 Carrera Convertible GTS (10 - 12)
Weight Difference:
672 lb
16.09 %
BMW 640i Convertible Steptronic (15 - 18)

General

Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
402 hp
at 7300 rpm
Power
316 hp
at 5800 rpm
Porsche 911 Carrera Convertible GTS
402 hp
316 hp
BMW 640i Cabrio
310 lb‑ft
at 4200 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 Carrera Convertible GTS
310 lb‑ft
332 lb‑ft
BMW 640i Cabrio

Performance

Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
190 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Carrera Convertible GTS

62 mph 62
mph

249 ft
0.000 sec

BMW 640i Cabrio

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

Fuel Economy / Emissions

Porsche 911 Carrera Convertible GTS
BMW 640i Cabrio
Fuel Economy
22 mpg
combined
31 mpg
Porsche 911 Carrera Convertible GTS
22 mpg
31 mpg
BMW 640i Cabrio
15 mpg
city
22 mpg
31 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
385 mi
Range
565 mi
Porsche 911 Carrera Convertible GTS
385 mi
565 mi
BMW 640i Cabrio
Environmental Impact
204.5 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).
145.8 kWh
Porsche 911 Carrera Convertible GTS
204.5 kWh
145.8 kWh
BMW 640i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
409 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)

Practical Convenience

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