The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (06 - 08) vs. Porsche 911 Carrera Coupé 4S PDK (16 - 18)
€ 163,500
€ 123,000
€ 163,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,000
ⓘ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 Aston Martin DB9 Coupé is 8.3 inches longer, 0.9 inches wider and 1.1 inches lower than the Porsche 911 Carrera Coupé 4S.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
50
73.8
81.7
51.1
72.9
77.9
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
50 in
Height
51.1 in
107.9
185.4
96.5
177.1
185.4 in
Length
177.1 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
3968 lb
Curb Weight
3494 lb
4542 lb
Gross Vehicle
Weight
Weight
4332 lb
Weight Difference:
474 lb
11.94 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
VH1
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
AM04
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3 L / 147 cu in
450 hp
at 6000 rpm
Power
414 hp
at 6500 rpm
Aston Martin DB9 Coupé
450 hp
414 hp
Porsche 911 Carrera Coupé 4S
420 lb‑ft
at 5000 rpm
Max. Torque
369 lb‑ft
at 1700 rpm
Aston Martin DB9 Coupé
420 lb‑ft
369 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
186 mph
Maximum Speed
188 mph
5.1 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
184 ft
0.000 sec
Porsche 911 Carrera Coupé 4S
▶ REPLAY
8.82 lb/hp
Weight-to-Power Ratio
8.44 lb/hp
Aston Martin DB9 Coupé
8.82 lb/hp
8.44 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
14 mpg
combined
30 mpg
Aston Martin DB9 Coupé
14 mpg
30 mpg
Porsche 911 Carrera Coupé 4S
9 mpg
city
23 mpg
No data
highway
36 mpg
21.1 gal
Fuel Tank Capacity
18 gal
301 mi
Range
535 mi
Aston Martin DB9 Coupé
301 mi
535 mi
Porsche 911 Carrera Coupé 4S
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).
149.7 kWh
Aston Martin DB9 Coupé
312.5 kWh
149.7 kWh
Porsche 911 Carrera Coupé 4S
Euro 4
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
634 g/mi (NEFZ)
CO2 Emissions
290 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
838 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
