The Comparative Analysis :
Aston Martin DB9 Coupé (06 - 08) vs. Porsche 911 Carrera Coupé 4 (08 - 12)
€ 158,900

€ 92,300

€ 158,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 92,300
ⓘ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 Coupé is 27.5 cm longer, 2.3 cm wider and 4 cm lower than the Porsche 911 Carrera Coupé 4.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
1270
1875
2075
1310
1852
2052
1875 mm
Width
1852 mm
2075 mm
Width Incl. Mirrors
2052 mm
1270 mm
Height
1310 mm
2740
4710
2350
4435
4710 mm
Length
4435 mm
2740 mm
Wheelbase
2350 mm
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
1710 kg
Kerb Weight
1545 kg
2060 kg
Gross Vehicle
Weight
Weight
1870 kg

Weight Difference:
165 kg
9.65 %

General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
VH1
Generation
997
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
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
3614 CC
450 bhp
at 6000 rpm
Power
340 bhp
at 6500 rpm
Aston Martin DB9 Coupé
450 bhp
340 bhp
Porsche 911 Carrera Coupé 4
570 NM
at 5000 rpm
Max. Torque
390 NM
at 4400 rpm
Aston Martin DB9 Coupé
570 NM
390 NM
Porsche 911 Carrera Coupé 4
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
186 mph
Maximum Speed
176 mph
4.9 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
68 m
0.000 sec

Aston Martin DB9 Coupé
62 mph
62
mph
mph
69 m
0.000 sec

Porsche 911 Carrera Coupé 4
▶ REPLAY
3.8 kg/bhp
Weight-to-Power Ratio
4.54 kg/bhp
Aston Martin DB9 Coupé
3.8 kg/bhp
4.54 kg/bhp
Porsche 911 Carrera Coupé 4
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
16 mpg
combined
27 mpg
Aston Martin DB9 Coupé
16 mpg
27 mpg
Porsche 911 Carrera Coupé 4
11 mpg
city
18 mpg
No data
motorway
38 mpg
80 L
Fuel Tank Capacity
67 L
279 mi
Range
393 mi
Aston Martin DB9 Coupé
279 mi
393 mi
Porsche 911 Carrera Coupé 4
Environmental Impact
337.2 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).
200.8 kWh
Aston Martin DB9 Coupé
337.2 kWh
200.8 kWh
Porsche 911 Carrera Coupé 4
Euro 4
Emission Standard
Euro 5
421 g/km (NEFZ)
CO2 Emissions
249 g/km (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
3
Doors
2
4
No. of Seats
4
350 kg
Maximum Payload
325 kg
155 L
Boot Capacity
105 L





No data
Boot Capacity (Seats Down)
No data