The Comparative Analysis :

Aston Martin DB9 Coupé Touchtronic (08 - 12) vs. Porsche 911 GT3 RS 4.0 (11 - 12)

€ 172,900
Aston Martin DB9 Coupé Touchtronic (08 - 12) Aston Martin DB9 Coupé
€ 178,600
 Porsche 911 GT3 RS 4.0 (11 - 12) Porsche 911 GT3 RS 4.0
€ 172,900
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 Aston Martin DB9 Coupé is considerably bigger in every dimension. It's 9.8 inches longer, 0.9 inches wider and 1.5 inches taller than the Porsche 911 GT3 RS 4.0.
Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
51.9
Blueprint Aston Martin DB9 Coupé Touchtronic (08 - 12)
73.8
81.7
50.4
Blueprint Porsche 911 GT3 RS 4.0 (11 - 12)
72.9
80.8
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
51.9 in
Height
50.4 in
Blueprint Aston Martin DB9 Coupé Touchtronic (08 - 12)
107.9
185.4
Blueprint Porsche 911 GT3 RS 4.0 (11 - 12)
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
3968 lb
Curb Weight
3164 lb
4542 lb
Gross Vehicle
Weight
3704 lb
Aston Martin DB9 Coupé Touchtronic (08 - 12)
Weight Difference:
805 lb
20.29 %
Porsche 911 GT3 RS 4.0 (11 - 12)

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 automatic 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)
AM09
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
4 L / 196 cu in
470 hp
at 6000 rpm
Power
493 hp
at 8250 rpm
Aston Martin DB9 Coupé
470 hp
493 hp
Porsche 911 GT3 RS 4.0
443 lb‑ft
at 5000 rpm
Max. Torque
339 lb‑ft
at 5750 rpm
Aston Martin DB9 Coupé
443 lb‑ft
339 lb‑ft
Porsche 911 GT3 RS 4.0

Performance

Aston Martin DB9 Coupé
Porsche 911 GT3 RS 4.0
190 mph
Maximum Speed
193 mph
5.1 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

233 ft
0.000 sec

Aston Martin DB9 Coupé

62 mph 62
mph

177 ft
0.000 sec

Porsche 911 GT3 RS 4.0

▶ REPLAY
8.44 lb/hp
Weight-to-Power Ratio
6.42 lb/hp
Aston Martin DB9 Coupé
8.44 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
15 mpg
combined
17 mpg
Aston Martin DB9 Coupé
15 mpg
17 mpg
Porsche 911 GT3 RS 4.0
10 mpg
city
12 mpg
No data
highway
24 mpg
Kraftstoffanzeige
22.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
339 mi
Range
302 mi
Aston Martin DB9 Coupé
339 mi
302 mi
Porsche 911 GT3 RS 4.0
Environmental Impact
295.5 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).
261.5 kWh
Aston Martin DB9 Coupé
295.5 kWh
261.5 kWh
Porsche 911 GT3 RS 4.0
Euro 5
Emission Standard
Euro 5
592 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
573 lb
Maximum Payload
540 lb
4.4 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data