The Comparative Analysis :
Porsche 911 Carrera Convertible 4S (12 - 15) vs. Bentley Continental GTC Speed Automatic (09 - 11)
€ 138,900

€ 222,600

€ 138,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 222,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Convertible 4S is considerably smaller in every dimension. It's 12.4 inches shorter, 3 inches narrower and 3.7 inches lower than the Bentley Continental GTC Speed.
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
50.9
72.9
77.9
54.6
75.9
83.7
72.9 in
Width
75.9 in
77.9 in
Width Incl. Mirrors
83.7 in
50.9 in
Height
54.6 in
96.5
176.8
108.1
189.2
176.8 in
Length
189.2 in
96.5 in
Wheelbase
108.1 in
Vehicle Weight
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
3505 lb
Curb Weight
5600 lb
4266 lb
Gross Vehicle
Weight
Weight
6393 lb

Weight Difference:
2094 lb
37.39 %

General
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
991
Generation
Continental
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
Engine Series
VW W12
Engine Code
BWRA, CKHC, MTBHT
4
Valves
4
6
Cylinders
12
3.8 L / 186 cu in
Displacement
6 L / 294 cu in
424 hp
at 7500 rpm
Power
603 hp
at 6000 rpm
Porsche 911 Carrera Convertible 4S
424 hp
603 hp
Bentley Continental GTC Speed
325 lb‑ft
at 5750 rpm
Max. Torque
553 lb‑ft
at 1700 rpm
Porsche 911 Carrera Convertible 4S
325 lb‑ft
553 lb‑ft
Bentley Continental GTC Speed
Performance
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
186 mph
Maximum Speed
200 mph
4.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
210 ft
0.000 sec

Porsche 911 Carrera Convertible 4S
62 mph
62
mph
mph
220 ft
0.000 sec

Bentley Continental GTC Speed
▶ REPLAY
8.27 lb/hp
Weight-to-Power Ratio
9.29 lb/hp
Porsche 911 Carrera Convertible 4S
8.27 lb/hp
9.29 lb/hp
Bentley Continental GTC Speed
Fuel Economy / Emissions
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
Fuel Economy
24 mpg
combined
14 mpg
Porsche 911 Carrera Convertible 4S
24 mpg
14 mpg
Bentley Continental GTC Speed
16 mpg
city
9 mpg
31 mpg
highway
No data
18 gal
Fuel Tank Capacity
23.8 gal
423 mi
Range
329 mi
Porsche 911 Carrera Convertible 4S
423 mi
329 mi
Bentley Continental GTC Speed
Environmental Impact
189.4 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).
322 kWh
Porsche 911 Carrera Convertible 4S
189.4 kWh
322 kWh
Bentley Continental GTC Speed
Euro 5 / Euro 6
Emission Standard
Euro 4
380 g/mi (NEFZ)
CO2 Emissions
637 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible 4S
Bentley Continental GTC Speed
2
Doors
2
4
No. of Seats
4
761 lb
Maximum Payload
794 lb
3.5 cu ft
Trunk Volume
7.4 cu ft



No data
Cargo Volume (Seats Down)
No data