The Comparative Analysis :
Aston Martin DB9 Coupé (06 - 08) vs. Porsche 911 GT3 RS 4.0 (11 - 12)
€ 158,900

€ 178,600

€ 158,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 178,600
ⓘ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 25 cm longer, 2.3 cm wider and 1 cm lower than the Porsche 911 GT3 RS 4.0.
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
1270
1875
2075
1280
1852
2052
1875 mm
Width
1852 mm
2075 mm
Width Incl. Mirrors
2052 mm
1270 mm
Height
1280 mm
2740
4710
2355
4460
4710 mm
Length
4460 mm
2740 mm
Wheelbase
2355 mm
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
1710 kg
Kerb Weight
1435 kg
2060 kg
Gross Vehicle
Weight
Weight
1680 kg

Weight Difference:
275 kg
16.08 %

General
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
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 RS 4.0
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
3996 CC
450 bhp
at 6000 rpm
Power
493 bhp
at 8250 rpm
Aston Martin DB9 Coupé
450 bhp
493 bhp
Porsche 911 GT3 RS 4.0
570 NM
at 5000 rpm
Max. Torque
460 NM
at 5750 rpm
Aston Martin DB9 Coupé
570 NM
460 NM
Porsche 911 GT3 RS 4.0
Performance
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
186 mph
Maximum Speed
193 mph
4.9 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
68 m
0.000 sec

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

Porsche 911 GT3 RS 4.0
▶ REPLAY
3.8 kg/bhp
Weight-to-Power Ratio
2.91 kg/bhp
Aston Martin DB9 Coupé
3.8 kg/bhp
2.91 kg/bhp
Porsche 911 GT3 RS 4.0
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
Fuel Economy
16 mpg
combined
20 mpg
Aston Martin DB9 Coupé
16 mpg
20 mpg
Porsche 911 GT3 RS 4.0
11 mpg
city
14 mpg
No data
motorway
29 mpg
80 L
Fuel Tank Capacity
67 L
279 mi
Range
302 mi
Aston Martin DB9 Coupé
279 mi
302 mi
Porsche 911 GT3 RS 4.0
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).
261.5 kWh
Aston Martin DB9 Coupé
337.2 kWh
261.5 kWh
Porsche 911 GT3 RS 4.0
Euro 4
Emission Standard
Euro 5
421 g/km (NEFZ)
CO2 Emissions
326 g/km (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
3
Doors
2
4
No. of Seats
4
350 kg
Maximum Payload
245 kg
155 L
Boot Capacity
105 L





No data
Boot Capacity (Seats Down)
No data