The Comparative Analysis :
Aston Martin DB9 Coupé (08 - 12) vs. Porsche 911 GT3 (09 - 11)
€ 168,300

€ 121,800

€ 168,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 121,800
ⓘ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 24.5 cm longer, 6.7 cm wider and 3.8 cm taller than the Porsche 911 GT3.
Aston Martin DB9 Coupé
Porsche 911 GT3
1318
1875
2075
1280
1808
2008
1875 mm
Width
1808 mm
2075 mm
Width Incl. Mirrors
2008 mm
1318 mm
Height
1280 mm
2740
4710
2355
4465
4710 mm
Length
4465 mm
2740 mm
Wheelbase
2355 mm
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3
1710 kg
Kerb Weight
1470 kg
2060 kg
Gross Vehicle
Weight
Weight
1680 kg

Weight Difference:
240 kg
14.04 %

General
Aston Martin DB9 Coupé
Porsche 911 GT3
VH1
Generation
997
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
6-speed manual 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)
AM09
Engine Code
4
Valves
4
12
Cylinders
6
5935 CC
Engine Capacity
3797 CC
470 bhp
at 6000 rpm
Power
429 bhp
at 7600 rpm
Aston Martin DB9 Coupé
470 bhp
429 bhp
Porsche 911 GT3
600 NM
at 5000 rpm
Max. Torque
430 NM
at 6250 rpm
Aston Martin DB9 Coupé
600 NM
430 NM
Porsche 911 GT3
Performance
Aston Martin DB9 Coupé
Porsche 911 GT3
190 mph
Maximum Speed
194 mph
4.9 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
68 m
0.000 sec

Aston Martin DB9 Coupé
62 mph
62
mph
mph
57 m
0.000 sec

Porsche 911 GT3
▶ REPLAY
3.64 kg/bhp
Weight-to-Power Ratio
3.43 kg/bhp
Aston Martin DB9 Coupé
3.64 kg/bhp
3.43 kg/bhp
Porsche 911 GT3
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3
Fuel Economy
17 mpg
combined
22 mpg
Aston Martin DB9 Coupé
17 mpg
22 mpg
Porsche 911 GT3
11 mpg
city
14 mpg
No data
motorway
32 mpg
85 L
Fuel Tank Capacity
67 L
322 mi
Range
325 mi
Aston Martin DB9 Coupé
322 mi
325 mi
Porsche 911 GT3
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).
242.5 kWh
Aston Martin DB9 Coupé
310.8 kWh
242.5 kWh
Porsche 911 GT3
Euro 5
Emission Standard
Euro 5
389 g/km (NEFZ)
CO2 Emissions
303 g/km (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3
3
Doors
2
4
No. of Seats
4
350 kg
Maximum Payload
210 kg
155 L
Boot Capacity
105 L





No data
Boot Capacity (Seats Down)
No data