The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (06 - 08) vs. Porsche 911 Carrera Coupé S PDK (12 - 15)
€ 163,500
€ 122,900
€ 163,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 122,900
ⓘ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 Aston Martin DB9 Coupé is 8.6 inches longer, 2.6 inches wider and an inch lower than the Porsche 911 Carrera Coupé S.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
50
73.8
81.7
51
71.2
77.9
73.8 in
Width
71.2 in
81.7 in
Width Incl. Mirrors
77.9 in
50 in
Height
51 in
107.9
185.4
96.5
176.8
185.4 in
Length
176.8 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
3968 lb
Curb Weight
3285 lb
4542 lb
Gross Vehicle
Weight
Weight
4079 lb
Weight Difference:
683 lb
17.21 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
VH1
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch 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
450 hp
at 6000 rpm
Power
424 hp
at 7500 rpm
Aston Martin DB9 Coupé
450 hp
424 hp
Porsche 911 Carrera Coupé S
420 lb‑ft
at 5000 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
Aston Martin DB9 Coupé
420 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé S
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
186 mph
Maximum Speed
190 mph
5.1 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
190 ft
0.000 sec
Porsche 911 Carrera Coupé S
▶ REPLAY
8.82 lb/hp
Weight-to-Power Ratio
7.75 lb/hp
Aston Martin DB9 Coupé
8.82 lb/hp
7.75 lb/hp
Porsche 911 Carrera Coupé S
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
14 mpg
combined
27 mpg
Aston Martin DB9 Coupé
14 mpg
27 mpg
Porsche 911 Carrera Coupé S
9 mpg
city
19 mpg
No data
highway
35 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
301 mi
Range
457 mi
Aston Martin DB9 Coupé
301 mi
457 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).
164.8 kWh
Aston Martin DB9 Coupé
312.5 kWh
164.8 kWh
Porsche 911 Carrera Coupé S
Euro 4
Emission Standard
Euro 5 / Euro 6
634 g/mi (NEFZ)
CO2 Emissions
330 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
794 lb
4.4 cu ft
Trunk Volume
4.1 cu ft
No data
Cargo Volume (Seats Down)
No data
