The Comparative Analysis :
Porsche 911 Carrera Coupé 4 PDK (08 - 12) vs. Aston Martin DB9 Coupé (06 - 08)
€ 95,800
€ 158,900
€ 95,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 158,900
ⓘ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 Porsche 911 Carrera Coupé 4 is 10.8 inches shorter, 0.9 inches narrower and 1.6 inches taller than the Aston Martin DB9 Coupé.
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
51.6
72.9
80.8
50
73.8
81.7
72.9 in
Width
73.8 in
80.8 in
Width Incl. Mirrors
81.7 in
51.6 in
Height
50 in
92.5
174.6
107.9
185.4
174.6 in
Length
185.4 in
92.5 in
Wheelbase
107.9 in
Vehicle Weight
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
3472 lb
Curb Weight
3770 lb
4189 lb
Gross Vehicle
Weight
Weight
4542 lb
Weight Difference:
298 lb
7.9 %
General
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
997
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
6-speed manual transmission
Engine
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine (naturally aspirated engine)
Engine Code
AM04
4
Valves
4
6
Cylinders
12
3.6 L / 176 cu in
Displacement
5.9 L / 289 cu in
340 hp
at 6500 rpm
Power
450 hp
at 6000 rpm
Porsche 911 Carrera Coupé 4
340 hp
450 hp
Aston Martin DB9 Coupé
288 lb‑ft
at 4400 rpm
Max. Torque
420 lb‑ft
at 5000 rpm
Porsche 911 Carrera Coupé 4
288 lb‑ft
420 lb‑ft
Aston Martin DB9 Coupé
Performance
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
175 mph
Maximum Speed
186 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
220 ft
0.000 sec
Porsche 911 Carrera Coupé 4
62 mph
62
mph
mph
223 ft
0.000 sec
Aston Martin DB9 Coupé
▶ REPLAY
10.21 lb/hp
Weight-to-Power Ratio
8.38 lb/hp
Porsche 911 Carrera Coupé 4
10.21 lb/hp
8.38 lb/hp
Aston Martin DB9 Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
Fuel Economy
23 mpg
combined
13 mpg
Porsche 911 Carrera Coupé 4
23 mpg
13 mpg
Aston Martin DB9 Coupé
15 mpg
city
9 mpg
33 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
21.1 gal
412 mi
Range
279 mi
Porsche 911 Carrera Coupé 4
412 mi
279 mi
Aston Martin DB9 Coupé
Environmental Impact
191.4 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).
337.2 kWh
Porsche 911 Carrera Coupé 4
191.4 kWh
337.2 kWh
Aston Martin DB9 Coupé
Euro 5
Emission Standard
Euro 4
381 g/mi (NEFZ)
CO2 Emissions
678 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Coupé 4
Aston Martin DB9 Coupé
2
Doors
3
4
No. of Seats
4
717 lb
Maximum Payload
772 lb
3 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data
