The Comparative Analysis :
Porsche 911 Carrera Coupé S (11 - 15) vs. Aston Martin DB9 Coupé (12 - 13)
€ 105,200
€ 175,000
€ 105,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 175,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Coupé S is considerably smaller in every dimension. It's 9 inches shorter, 2.6 inches narrower and 0.9 inches lower than the Aston Martin DB9 Coupé.
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
51
71.2
77.9
51.9
73.8
81.7
71.2 in
Width
73.8 in
77.9 in
Width Incl. Mirrors
81.7 in
51 in
Height
51.9 in
96.5
176.8
107.9
185.8
176.8 in
Length
185.8 in
96.5 in
Wheelbase
107.9 in
Vehicle Weight
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
3241 lb
Curb Weight
3935 lb
4034 lb
Gross Vehicle
Weight
Weight
4542 lb
Weight Difference:
694 lb
17.64 %
General
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
991
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed manual transmission
Transmission
6-speed manual transmission
Engine
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine (naturally aspirated engine)
Engine Code
AM11
4
Valves
4
6
Cylinders
12
3.8 L / 186 cu in
Displacement
5.9 L / 289 cu in
395 hp
at 7400 rpm
Power
510 hp
at 6500 rpm
Porsche 911 Carrera Coupé S
395 hp
510 hp
Aston Martin DB9 Coupé
325 lb‑ft
at 5600 rpm
Max. Torque
457 lb‑ft
at 5500 rpm
Porsche 911 Carrera Coupé S
325 lb‑ft
457 lb‑ft
Aston Martin DB9 Coupé
Performance
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
189 mph
Maximum Speed
183 mph
4.5 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
207 ft
0.000 sec
Porsche 911 Carrera Coupé S
62 mph
62
mph
mph
210 ft
0.000 sec
Aston Martin DB9 Coupé
▶ REPLAY
8.21 lb/hp
Weight-to-Power Ratio
7.72 lb/hp
Porsche 911 Carrera Coupé S
8.21 lb/hp
7.72 lb/hp
Aston Martin DB9 Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
Fuel Economy
25 mpg
combined
16 mpg
Porsche 911 Carrera Coupé S
25 mpg
16 mpg
Aston Martin DB9 Coupé
17 mpg
city
11 mpg
33 mpg
highway
No data
16.9 gal
Fuel Tank Capacity
20.6 gal
419 mi
Range
339 mi
Porsche 911 Carrera Coupé S
419 mi
339 mi
Aston Martin DB9 Coupé
Environmental Impact
179.9 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).
270.9 kWh
Porsche 911 Carrera Coupé S
179.9 kWh
270.9 kWh
Aston Martin DB9 Coupé
Euro 5 / Euro 6
Emission Standard
Euro 5
360 g/mi (NEFZ)
CO2 Emissions
536 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Coupé S
Aston Martin DB9 Coupé
2
Doors
3
4
No. of Seats
4
794 lb
Maximum Payload
606 lb
4.1 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data
