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 9.8 inches longer, 0.9 inches wider and 0.4 inches lower than the Porsche 911 GT3 RS 4.0.
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
50
73.8
81.7
50.4
72.9
80.8
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
50 in
Height
50.4 in
107.9
185.4
92.7
175.6
185.4 in
Length
175.6 in
107.9 in
Wheelbase
92.7 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
3770 lb
Curb Weight
3164 lb
4542 lb
Gross Vehicle
Weight
Weight
3704 lb
Weight Difference:
606 lb
16.07 %
General
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
VH1
Generation
997
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 manual transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
4 L / 196 cu in
450 hp
at 6000 rpm
Power
493 hp
at 8250 rpm
Aston Martin DB9 Coupé
450 hp
493 hp
Porsche 911 GT3 RS 4.0
420 lb‑ft
at 5000 rpm
Max. Torque
339 lb‑ft
at 5750 rpm
Aston Martin DB9 Coupé
420 lb‑ft
339 lb‑ft
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
223 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
177 ft
0.000 sec
Porsche 911 GT3 RS 4.0
▶ REPLAY
8.38 lb/hp
Weight-to-Power Ratio
6.42 lb/hp
Aston Martin DB9 Coupé
8.38 lb/hp
6.42 lb/hp
Porsche 911 GT3 RS 4.0
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
Fuel Economy
13 mpg
combined
17 mpg
Aston Martin DB9 Coupé
13 mpg
17 mpg
Porsche 911 GT3 RS 4.0
9 mpg
city
12 mpg
No data
highway
24 mpg
21.1 gal
Fuel Tank Capacity
17.7 gal
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
678 g/mi (NEFZ)
CO2 Emissions
525 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
3
Doors
2
4
No. of Seats
4
772 lb
Maximum Payload
540 lb
4.4 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data
