The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (06 - 08) vs. Porsche 911 GT3 RS PDK (15 - 17)
€ 163,500
€ 181,700
€ 163,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 181,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Aston Martin DB9 Coupé is 6.5 inches longer, 0.2 inches narrower and 0.8 inches lower than the Porsche 911 GT3 RS.
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
50
73.8
81.7
50.8
74
77.9
73.8 in
Width
74 in
81.7 in
Width Incl. Mirrors
77.9 in
50 in
Height
50.8 in
107.9
185.4
96.7
178.9
185.4 in
Length
178.9 in
107.9 in
Wheelbase
96.7 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
3968 lb
Curb Weight
3296 lb
4542 lb
Gross Vehicle
Weight
Weight
3792 lb
Weight Difference:
672 lb
16.93 %
General
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
VH1
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
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
420 lb‑ft
at 5000 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
Aston Martin DB9 Coupé
420 lb‑ft
339 lb‑ft
Porsche 911 GT3 RS
Performance
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
186 mph
Maximum Speed
193 mph
5.1 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
151 ft
0.000 sec
Porsche 911 GT3 RS
▶ REPLAY
8.82 lb/hp
Weight-to-Power Ratio
6.69 lb/hp
Aston Martin DB9 Coupé
8.82 lb/hp
6.69 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
Fuel Economy
14 mpg
combined
19 mpg
Aston Martin DB9 Coupé
14 mpg
19 mpg
Porsche 911 GT3 RS
9 mpg
city
12 mpg
No data
highway
26 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
301 mi
Range
313 mi
Aston Martin DB9 Coupé
301 mi
313 mi
Porsche 911 GT3 RS
Environmental Impact
312.5 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).
240.6 kWh
Aston Martin DB9 Coupé
312.5 kWh
240.6 kWh
Porsche 911 GT3 RS
Euro 4
Emission Standard
Euro 6b (NEFZ)
634 g/mi (NEFZ)
CO2 Emissions
476 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 GT3 RS
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
496 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
