The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (08 - 12) vs. Porsche 911 Carrera Coupé 4 (08 - 12)
€ 172,900

€ 92,300

€ 172,900
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 Aston Martin DB9 Coupé is considerably bigger in every dimension. It's 10.8 inches longer, 0.9 inches wider and 0.3 inches taller than the Porsche 911 Carrera Coupé 4.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
51.9
73.8
81.7
51.6
72.9
80.8
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
51.9 in
Height
51.6 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 4
3968 lb
Curb Weight
3406 lb
4542 lb
Gross Vehicle
Weight
Weight
4123 lb

Weight Difference:
562 lb
14.16 %

General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
VH1
Generation
997
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
AM09
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.6 L / 176 cu in
470 hp
at 6000 rpm
Power
340 hp
at 6500 rpm
Aston Martin DB9 Coupé
470 hp
340 hp
Porsche 911 Carrera Coupé 4
443 lb‑ft
at 5000 rpm
Max. Torque
288 lb‑ft
at 4400 rpm
Aston Martin DB9 Coupé
443 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé 4
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
190 mph
Maximum Speed
176 mph
5.1 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
233 ft
0.000 sec

Aston Martin DB9 Coupé
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche 911 Carrera Coupé 4
▶ REPLAY
8.44 lb/hp
Weight-to-Power Ratio
10.02 lb/hp
Aston Martin DB9 Coupé
8.44 lb/hp
10.02 lb/hp
Porsche 911 Carrera Coupé 4
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
15 mpg
combined
22 mpg
Aston Martin DB9 Coupé
15 mpg
22 mpg
Porsche 911 Carrera Coupé 4
10 mpg
city
15 mpg
No data
highway
32 mpg
22.5 gal
Fuel Tank Capacity
17.7 gal
339 mi
Range
393 mi
Aston Martin DB9 Coupé
339 mi
393 mi
Porsche 911 Carrera Coupé 4
Environmental Impact
295.5 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
295.5 kWh
200.8 kWh
Porsche 911 Carrera Coupé 4
Euro 5
Emission Standard
Euro 5
592 g/mi (NEFZ)
CO2 Emissions
401 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
717 lb
4.4 cu ft
Trunk Volume
3 cu ft





No data
Cargo Volume (Seats Down)
No data