The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (08 - 12) vs. Porsche 911 GT3 PDK (13 - 17)
€ 172,900
€ 137,300
€ 172,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,300
ⓘ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 6.5 inches longer, 0.9 inches wider and 1.9 inches taller than the Porsche 911 GT3.
Aston Martin DB9 Coupé
Porsche 911 GT3
51.9
73.8
81.7
50
72.9
77.9
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
51.9 in
Height
50 in
107.9
185.4
96.7
178.9
185.4 in
Length
178.9 in
107.9 in
Wheelbase
96.7 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3
3968 lb
Curb Weight
3318 lb
4542 lb
Gross Vehicle
Weight
Weight
3792 lb
Weight Difference:
650 lb
16.38 %
General
Aston Martin DB9 Coupé
Porsche 911 GT3
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 GT3
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
3.8 L / 186 cu in
470 hp
at 6000 rpm
Power
469 hp
at 8250 rpm
Aston Martin DB9 Coupé
470 hp
469 hp
Porsche 911 GT3
443 lb‑ft
at 5000 rpm
Max. Torque
325 lb‑ft
at 6250 rpm
Aston Martin DB9 Coupé
443 lb‑ft
325 lb‑ft
Porsche 911 GT3
Performance
Aston Martin DB9 Coupé
Porsche 911 GT3
190 mph
Maximum Speed
196 mph
5.1 sec
Acceleration 0 to 62 mph
3.5 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
161 ft
0.000 sec
Porsche 911 GT3
▶ REPLAY
8.44 lb/hp
Weight-to-Power Ratio
7.07 lb/hp
Aston Martin DB9 Coupé
8.44 lb/hp
7.07 lb/hp
Porsche 911 GT3
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3
Fuel Economy
15 mpg
combined
19 mpg
Aston Martin DB9 Coupé
15 mpg
19 mpg
Porsche 911 GT3
10 mpg
city
12 mpg
No data
highway
26 mpg
22.5 gal
Fuel Tank Capacity
16.9 gal
339 mi
Range
321 mi
Aston Martin DB9 Coupé
339 mi
321 mi
Porsche 911 GT3
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).
235 kWh
Aston Martin DB9 Coupé
295.5 kWh
235 kWh
Porsche 911 GT3
Euro 5
Emission Standard
Euro 6b (NEFZ)
592 g/mi (NEFZ)
CO2 Emissions
465 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
474 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
