The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (13 - 15) vs. Porsche 911 Carrera Coupé PDK (11 - 15)
€ 178,000
€ 93,900
€ 178,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 93,900
ⓘ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 9 inches longer, 2.6 inches wider and 0.6 inches taller than the Porsche 911 Carrera Coupé.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
51.9
73.8
81.7
51.3
71.2
77.9
73.8 in
Width
71.2 in
81.7 in
Width Incl. Mirrors
77.9 in
51.9 in
Height
51.3 in
107.9
185.8
96.5
176.8
185.8 in
Length
176.8 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3935 lb
Curb Weight
3252 lb
4542 lb
Gross Vehicle
Weight
Weight
4001 lb
Weight Difference:
683 lb
17.36 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
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
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
AM11
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.4 L / 166 cu in
510 hp
at 6500 rpm
Power
345 hp
at 7400 rpm
Aston Martin DB9 Coupé
510 hp
345 hp
Porsche 911 Carrera Coupé
457 lb‑ft
at 5500 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
Aston Martin DB9 Coupé
457 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
183 mph
Maximum Speed
178 mph
4.6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
210 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
210 ft
0.000 sec
Porsche 911 Carrera Coupé
▶ REPLAY
7.72 lb/hp
Weight-to-Power Ratio
9.43 lb/hp
Aston Martin DB9 Coupé
7.72 lb/hp
9.43 lb/hp
Porsche 911 Carrera Coupé
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
Fuel Economy
16 mpg
combined
29 mpg
Aston Martin DB9 Coupé
16 mpg
29 mpg
Porsche 911 Carrera Coupé
11 mpg
city
21 mpg
No data
highway
36 mpg
20.6 gal
Fuel Tank Capacity
16.9 gal
332 mi
Range
485 mi
Aston Martin DB9 Coupé
332 mi
485 mi
Porsche 911 Carrera Coupé
Environmental Impact
276.6 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).
155.3 kWh
Aston Martin DB9 Coupé
276.6 kWh
155.3 kWh
Porsche 911 Carrera Coupé
Euro 5
Emission Standard
Euro 5 / Euro 6
555 g/mi (NEFZ)
CO2 Emissions
312 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3
Doors
2
4
No. of Seats
4
606 lb
Maximum Payload
750 lb
4.4 cu ft
Trunk Volume
4.1 cu ft
No data
Cargo Volume (Seats Down)
No data
