The Comparative Analysis :
Porsche 911 GT3 (09 - 11) vs. Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
€ 121,800
€ 187,000
€ 121,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 187,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 GT3 is considerably smaller in every dimension. It's 10 inches shorter, 2.6 inches narrower and 0.1 inches lower than the Aston Martin DB9 GT Coupé.
Porsche 911 GT3
Aston Martin DB9 GT Coupé
50.4
71.2
79.1
50.5
73.8
81.7
71.2 in
Width
73.8 in
79.1 in
Width Incl. Mirrors
81.7 in
50.4 in
Height
50.5 in
92.7
175.8
107.9
185.8
175.8 in
Length
185.8 in
92.7 in
Wheelbase
107.9 in
Vehicle Weight
Porsche 911 GT3
Aston Martin DB9 GT Coupé
3241 lb
Curb Weight
3935 lb
3704 lb
Gross Vehicle
Weight
Weight
4542 lb
Weight Difference:
694 lb
17.64 %
General
Porsche 911 GT3
Aston Martin DB9 GT Coupé
997
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 GT3
Aston Martin DB9 GT 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
429 hp
at 7600 rpm
Power
540 hp
at 6750 rpm
Porsche 911 GT3
429 hp
540 hp
Aston Martin DB9 GT Coupé
317 lb‑ft
at 6250 rpm
Max. Torque
457 lb‑ft
at 5500 rpm
Porsche 911 GT3
317 lb‑ft
457 lb‑ft
Aston Martin DB9 GT Coupé
Performance
Porsche 911 GT3
Aston Martin DB9 GT Coupé
194 mph
Maximum Speed
183 mph
4.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
187 ft
0.000 sec
Porsche 911 GT3
62 mph
62
mph
mph
207 ft
0.000 sec
Aston Martin DB9 GT Coupé
▶ REPLAY
7.55 lb/hp
Weight-to-Power Ratio
7.29 lb/hp
Porsche 911 GT3
7.55 lb/hp
7.29 lb/hp
Aston Martin DB9 GT Coupé
Fuel Economy / Emissions
Porsche 911 GT3
Aston Martin DB9 GT Coupé
Fuel Economy
18 mpg
combined
16 mpg
Porsche 911 GT3
18 mpg
16 mpg
Aston Martin DB9 GT Coupé
12 mpg
city
11 mpg
26 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
20.6 gal
325 mi
Range
339 mi
Porsche 911 GT3
325 mi
339 mi
Aston Martin DB9 GT Coupé
Environmental Impact
242.5 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).
270.9 kWh
Porsche 911 GT3
242.5 kWh
270.9 kWh
Aston Martin DB9 GT Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
488 g/mi (NEFZ)
CO2 Emissions
536 g/mi (NEFZ)
Practical Convenience
Porsche 911 GT3
Aston Martin DB9 GT Coupé
2
Doors
3
4
No. of Seats
4
463 lb
Maximum Payload
606 lb
3 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data
