The Comparative Analysis :
Aston Martin DB9 Coupé (06 - 08) vs. Porsche 911 Carrera Coupé PDK (19 - ..)
€ 158,900
€ 104,700
€ 158,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 104,700
ⓘ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 7.5 inches longer, 0.9 inches wider and 1.1 inches lower than the Porsche 911 Carrera Coupé.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
50
73.8
81.7
51.1
72.9
79.7
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
79.7 in
50 in
Height
51.1 in
107.9
185.4
96.5
177.9
185.4 in
Length
177.9 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3770 lb
Curb Weight
3483 lb
4542 lb
Gross Vehicle
Weight
Weight
4321 lb
Weight Difference:
287 lb
7.61 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
VH1
Generation
992
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-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 with two turbochargers (biturbo)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3 L / 147 cu in
450 hp
at 6000 rpm
Power
380 hp
at 6500 rpm
Aston Martin DB9 Coupé
450 hp
380 hp
Porsche 911 Carrera Coupé
420 lb‑ft
at 5000 rpm
Max. Torque
332 lb‑ft
at 1950 rpm
Aston Martin DB9 Coupé
420 lb‑ft
332 lb‑ft
Porsche 911 Carrera Coupé
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
186 mph
Maximum Speed
182 mph
4.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
190 ft
0.000 sec
Porsche 911 Carrera Coupé
▶ REPLAY
8.38 lb/hp
Weight-to-Power Ratio
9.17 lb/hp
Aston Martin DB9 Coupé
8.38 lb/hp
9.17 lb/hp
Porsche 911 Carrera Coupé
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
Fuel Economy
13 mpg
combined
26 mpg
Aston Martin DB9 Coupé
13 mpg
26 mpg
Porsche 911 Carrera Coupé
9 mpg
city
21 mpg
No data
highway
31 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
279 mi
Range
442 mi
Aston Martin DB9 Coupé
279 mi
442 mi
Porsche 911 Carrera Coupé
Environmental Impact
337.2 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
337.2 kWh
170.4 kWh
Porsche 911 Carrera Coupé
Euro 4
Emission Standard
Euro 6d
678 g/mi (NEFZ)
CO2 Emissions
364 g/mi (WLTP)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3
Doors
2
4
No. of Seats
4
772 lb
Maximum Payload
838 lb
4.4 cu ft
Trunk Volume
3.7 cu ft
No data
Cargo Volume (Seats Down)
No data
