The Comparative Analysis :
Aston Martin DB9 Coupé (08 - 12) vs. Porsche 911 Carrera Coupé (11 - 15)
€ 168,300
€ 90,400
€ 168,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,400
ⓘ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 8.6 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
185.4
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
3770 lb
Curb Weight
3208 lb
4542 lb
Gross Vehicle
Weight
Weight
3957 lb
Weight Difference:
562 lb
14.91 %
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 manual transmission
Transmission
7-speed manual 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)
AM09
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.4 L / 166 cu in
470 hp
at 6000 rpm
Power
345 hp
at 7400 rpm
Aston Martin DB9 Coupé
470 hp
345 hp
Porsche 911 Carrera Coupé
443 lb‑ft
at 5000 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
Aston Martin DB9 Coupé
443 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
190 mph
Maximum Speed
180 mph
4.9 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
220 ft
0.000 sec
Porsche 911 Carrera Coupé
▶ REPLAY
8.02 lb/hp
Weight-to-Power Ratio
9.3 lb/hp
Aston Martin DB9 Coupé
8.02 lb/hp
9.3 lb/hp
Porsche 911 Carrera Coupé
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
Fuel Economy
14 mpg
combined
26 mpg
Aston Martin DB9 Coupé
14 mpg
26 mpg
Porsche 911 Carrera Coupé
10 mpg
city
18 mpg
No data
highway
35 mpg
22.5 gal
Fuel Tank Capacity
16.9 gal
322 mi
Range
442 mi
Aston Martin DB9 Coupé
322 mi
442 mi
Porsche 911 Carrera Coupé
Environmental Impact
310.8 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).
170.4 kWh
Aston Martin DB9 Coupé
310.8 kWh
170.4 kWh
Porsche 911 Carrera Coupé
Euro 5
Emission Standard
Euro 5 / Euro 6
626 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3
Doors
2
4
No. of Seats
4
772 lb
Maximum Payload
750 lb
4.4 cu ft
Trunk Volume
4.1 cu ft
No data
Cargo Volume (Seats Down)
No data
