The Comparative Analysis :
Aston Martin DB9 Coupé (06 - 08) vs. Porsche 911 GT3 PDK (13 - 17)
€ 158,900
€ 137,300
€ 158,900
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 slightly bigger in every dimension. It's 16.5 cm longer, 2.3 cm wider and 0.1 cm taller than the Porsche 911 GT3.
Aston Martin DB9 Coupé
Porsche 911 GT3
1270
1875
2075
1269
1852
1978
1875 mm
Width
1852 mm
2075 mm
Width Incl. Mirrors
1978 mm
1270 mm
Height
1269 mm
2740
4710
2457
4545
4710 mm
Length
4545 mm
2740 mm
Wheelbase
2457 mm
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3
1710 kg
Kerb Weight
1505 kg
2060 kg
Gross Vehicle
Weight
Weight
1720 kg
Weight Difference:
205 kg
11.99 %
General
Aston Martin DB9 Coupé
Porsche 911 GT3
VH1
Generation
991
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 GT3
V12 petrol engine (naturally aspirated engine)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5935 CC
Engine Capacity
3799 CC
450 bhp
at 6000 rpm
Power
469 bhp
at 8250 rpm
Aston Martin DB9 Coupé
450 bhp
469 bhp
Porsche 911 GT3
570 NM
at 5000 rpm
Max. Torque
440 NM
at 6250 rpm
Aston Martin DB9 Coupé
570 NM
440 NM
Porsche 911 GT3
Performance
Aston Martin DB9 Coupé
Porsche 911 GT3
186 mph
Maximum Speed
196 mph
4.9 sec
Acceleration 0 to 62 mph
3.5 sec
62 mph
62
mph
mph
68 m
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
49 m
0.000 sec
Porsche 911 GT3
▶ REPLAY
3.8 kg/bhp
Weight-to-Power Ratio
3.21 kg/bhp
Aston Martin DB9 Coupé
3.8 kg/bhp
3.21 kg/bhp
Porsche 911 GT3
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3
Fuel Economy
16 mpg
combined
23 mpg
Aston Martin DB9 Coupé
16 mpg
23 mpg
Porsche 911 GT3
11 mpg
city
15 mpg
No data
motorway
32 mpg
80 L
Fuel Tank Capacity
64 L
279 mi
Range
321 mi
Aston Martin DB9 Coupé
279 mi
321 mi
Porsche 911 GT3
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).
235 kWh
Aston Martin DB9 Coupé
337.2 kWh
235 kWh
Porsche 911 GT3
Euro 4
Emission Standard
Euro 6b (NEFZ)
421 g/km (NEFZ)
CO2 Emissions
289 g/km (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3
3
Doors
2
4
No. of Seats
4
350 kg
Maximum Payload
215 kg
155 L
Boot Capacity
125 L
No data
Boot Capacity (Seats Down)
No data
