The Comparative Analysis :
Aston Martin DB9 Volante (06 - 08) vs. Porsche 911 Carrera Cabriolet 4 GTS PDK (14 - 15)
€ 172,800

€ 141,600

€ 172,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 141,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Aston Martin DB9 Volante is 20.1 cm longer, 2.3 cm wider and 2.4 cm lower than the Porsche 911 Carrera Cabriolet 4 GTS.
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
1270
1875
2075
1294
1852
1978
1875 mm
Width
1852 mm
2075 mm
Width Incl. Mirrors
1978 mm
1270 mm
Height
1294 mm
2740
4710
2450
4509
4710 mm
Length
4509 mm
2740 mm
Wheelbase
2450 mm
Vehicle Weight
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
1710 kg
Kerb Weight
1635 kg
2155 kg
Gross Vehicle
Weight
Weight
1955 kg

Weight Difference:
75 kg
4.39 %

General
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
VH1
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
V12 petrol engine (naturally aspirated engine)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5935 CC
Engine Capacity
3800 CC
450 bhp
at 6000 rpm
Power
424 bhp
at 7500 rpm
Aston Martin DB9 Volante
450 bhp
424 bhp
Porsche 911 Carrera Cabriolet 4 GTS
570 NM
at 5000 rpm
Max. Torque
440 NM
at 5750 rpm
Aston Martin DB9 Volante
570 NM
440 NM
Porsche 911 Carrera Cabriolet 4 GTS
Performance
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
165 mph
Maximum Speed
187 mph
4.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
68 m
0.000 sec

Aston Martin DB9 Volante
62 mph
62
mph
mph
58 m
0.000 sec

Porsche 911 Carrera Cabriolet 4 GTS
▶ REPLAY
3.8 kg/bhp
Weight-to-Power Ratio
3.86 kg/bhp
Aston Martin DB9 Volante
3.8 kg/bhp
3.86 kg/bhp
Porsche 911 Carrera Cabriolet 4 GTS
Fuel Economy / Emissions
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
Fuel Economy
17 mpg
combined
31 mpg
Aston Martin DB9 Volante
17 mpg
31 mpg
Porsche 911 Carrera Cabriolet 4 GTS
11 mpg
city
23 mpg
No data
motorway
40 mpg
80 L
Fuel Tank Capacity
68 L
301 mi
Range
459 mi
Aston Martin DB9 Volante
301 mi
459 mi
Porsche 911 Carrera Cabriolet 4 GTS
Environmental Impact
312.5 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).
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).
174.3 kWh
Aston Martin DB9 Volante
312.5 kWh
174.3 kWh
Porsche 911 Carrera Cabriolet 4 GTS
Euro 4
Emission Standard
Euro 6b (NEFZ)
394 g/km (NEFZ)
CO2 Emissions
214 g/km (NEFZ)
Practical Convenience
Aston Martin DB9 Volante
Porsche 911 Carrera Cabriolet 4 GTS
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
320 kg
No data
Boot Capacity
125 L

No data
Boot Capacity (Seats Down)
No data