The Comparative Analysis :
Bentley Continental GTC Speed Automatic (09 - 11) vs. Porsche 911 Carrera Cabriolet 4 PDK (12 - 15)
€ 222,600

€ 113,800

€ 222,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 113,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Bentley Continental GTC Speed is considerably bigger in every dimension. It's 31.4 cm longer, 7.5 cm wider and 8.8 cm taller than the Porsche 911 Carrera Cabriolet 4.
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
1388
1927
2127
1300
1852
1978
1927 mm
Width
1852 mm
2127 mm
Width Incl. Mirrors
1978 mm
1388 mm
Height
1300 mm
2745
4805
2450
4491
4805 mm
Length
4491 mm
2745 mm
Wheelbase
2450 mm
Vehicle Weight
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
2540 kg
Kerb Weight
1595 kg
2900 kg
Gross Vehicle
Weight
Weight
1920 kg

Weight Difference:
945 kg
37.2 %

General
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
Continental
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
V12 petrol engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
VW W12
Engine Series
BWRA, CKHC, MTBHT
Engine Code
4
Valves
4
12
Cylinders
6
5998 CC
Engine Capacity
3436 CC
603 bhp
at 6000 rpm
Power
345 bhp
at 7400 rpm
Bentley Continental GTC Speed
603 bhp
345 bhp
Porsche 911 Carrera Cabriolet 4
750 NM
at 1700 rpm
Max. Torque
390 NM
at 5600 rpm
Bentley Continental GTC Speed
750 NM
390 NM
Porsche 911 Carrera Cabriolet 4
Performance
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
200 mph
Maximum Speed
174 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
67 m
0.000 sec

Bentley Continental GTC Speed
62 mph
62
mph
mph
68 m
0.000 sec

Porsche 911 Carrera Cabriolet 4
▶ REPLAY
4.21 kg/bhp
Weight-to-Power Ratio
4.62 kg/bhp
Bentley Continental GTC Speed
4.21 kg/bhp
4.62 kg/bhp
Porsche 911 Carrera Cabriolet 4
Fuel Economy / Emissions
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
Fuel Economy
17 mpg
combined
32 mpg
Bentley Continental GTC Speed
17 mpg
32 mpg
Porsche 911 Carrera Cabriolet 4
11 mpg
city
24 mpg
No data
motorway
41 mpg
90 L
Fuel Tank Capacity
68 L
329 mi
Range
486 mi
Bentley Continental GTC Speed
329 mi
486 mi
Porsche 911 Carrera Cabriolet 4
Environmental Impact
322 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
Bentley Continental GTC Speed
322 kWh
164.8 kWh
Porsche 911 Carrera Cabriolet 4
Euro 4
Emission Standard
Euro 5 / Euro 6
396 g/km (NEFZ)
CO2 Emissions
205 g/km (NEFZ)
Practical Convenience
Bentley Continental GTC Speed
Porsche 911 Carrera Cabriolet 4
2
Doors
2
4
No. of Seats
4
360 kg
Maximum Payload
325 kg
260 L
Boot Capacity
125 L



No data
Boot Capacity (Seats Down)
No data