The Comparative Analysis :
Porsche 911 Carrera Coupé 4 PDK (12 - 15) vs. Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
€ 101,100
€ 187,000
€ 101,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 187,000
ⓘ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 Porsche 911 Carrera Coupé 4 is 9 inches shorter, 0.9 inches narrower and 0.9 inches taller than the Aston Martin DB9 GT Coupé.
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
51.3
72.9
77.9
50.5
73.8
81.7
72.9 in
Width
73.8 in
77.9 in
Width Incl. Mirrors
81.7 in
51.3 in
Height
50.5 in
96.5
176.8
107.9
185.8
176.8 in
Length
185.8 in
96.5 in
Wheelbase
107.9 in
Vehicle Weight
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
3362 lb
Curb Weight
3935 lb
4112 lb
Gross Vehicle
Weight
Weight
4542 lb
Weight Difference:
573 lb
14.56 %
General
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
991
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine (naturally aspirated engine)
Engine Code
AM11
4
Valves
4
6
Cylinders
12
3.4 L / 166 cu in
Displacement
5.9 L / 289 cu in
345 hp
at 7400 rpm
Power
540 hp
at 6750 rpm
Porsche 911 Carrera Coupé 4
345 hp
540 hp
Aston Martin DB9 GT Coupé
288 lb‑ft
at 5600 rpm
Max. Torque
457 lb‑ft
at 5500 rpm
Porsche 911 Carrera Coupé 4
288 lb‑ft
457 lb‑ft
Aston Martin DB9 GT Coupé
Performance
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
176 mph
Maximum Speed
183 mph
4.7 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
213 ft
0.000 sec
Porsche 911 Carrera Coupé 4
62 mph
62
mph
mph
207 ft
0.000 sec
Aston Martin DB9 GT Coupé
▶ REPLAY
9.74 lb/hp
Weight-to-Power Ratio
7.29 lb/hp
Porsche 911 Carrera Coupé 4
9.74 lb/hp
7.29 lb/hp
Aston Martin DB9 GT Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
Fuel Economy
27 mpg
combined
16 mpg
Porsche 911 Carrera Coupé 4
27 mpg
16 mpg
Aston Martin DB9 GT Coupé
20 mpg
city
11 mpg
35 mpg
highway
No data
18 gal
Fuel Tank Capacity
20.6 gal
492 mi
Range
339 mi
Porsche 911 Carrera Coupé 4
492 mi
339 mi
Aston Martin DB9 GT Coupé
Environmental Impact
162.9 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).
270.9 kWh
Porsche 911 Carrera Coupé 4
162.9 kWh
270.9 kWh
Aston Martin DB9 GT Coupé
Euro 5 / Euro 6
Emission Standard
Euro 6b (NEFZ)
327 g/mi (NEFZ)
CO2 Emissions
536 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Coupé 4
Aston Martin DB9 GT Coupé
2
Doors
3
4
No. of Seats
4
750 lb
Maximum Payload
606 lb
3.5 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data
