The Comparative Analysis :
Aston Martin DB9 Coupé (04 - 06) vs. Porsche 911 Carrera Coupé S (08 - 11)
€ 144,000
€ 98,600
€ 144,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,600
ⓘ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 Coupé is 10.8 inches longer, 2.6 inches wider and 1.2 inches lower than the Porsche 911 Carrera Coupé S.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
50
73.8
81.7
51.2
71.2
79.1
73.8 in
Width
71.2 in
81.7 in
Width Incl. Mirrors
79.1 in
50 in
Height
51.2 in
107.9
185.4
92.5
174.6
185.4 in
Length
174.6 in
107.9 in
Wheelbase
92.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
3770 lb
Curb Weight
3307 lb
No data
Gross Vehicle
Weight
Weight
4034 lb
Weight Difference:
463 lb
12.28 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
VH1
Generation
997
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.8 L / 186 cu in
444 hp
at 6000 rpm
Power
380 hp
at 6500 rpm
Aston Martin DB9 Coupé
444 hp
380 hp
Porsche 911 Carrera Coupé S
420 lb‑ft
at 5000 rpm
Max. Torque
310 lb‑ft
at 4400 rpm
Aston Martin DB9 Coupé
420 lb‑ft
310 lb‑ft
Porsche 911 Carrera Coupé S
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
186 mph
Maximum Speed
188 mph
4.9 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
213 ft
0.000 sec
Porsche 911 Carrera Coupé S
▶ REPLAY
8.49 lb/hp
Weight-to-Power Ratio
8.7 lb/hp
Aston Martin DB9 Coupé
8.49 lb/hp
8.7 lb/hp
Porsche 911 Carrera Coupé S
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
14 mpg
combined
22 mpg
Aston Martin DB9 Coupé
14 mpg
22 mpg
Porsche 911 Carrera Coupé S
9 mpg
city
15 mpg
No data
highway
32 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
301 mi
Range
375 mi
Aston Martin DB9 Coupé
301 mi
375 mi
Porsche 911 Carrera Coupé S
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).
200.8 kWh
Aston Martin DB9 Coupé
312.5 kWh
200.8 kWh
Porsche 911 Carrera Coupé S
Euro 3
Emission Standard
Euro 5
634 g/mi (NEFZ)
CO2 Emissions
402 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
3
Doors
2
4
No. of Seats
4
No data
Maximum Payload
728 lb
No data
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data
