The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (06 - 08) vs. Porsche 911 Turbo Coupé PDK (16 - 18)
€ 163,500
€ 176,900
€ 163,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 176,900
ⓘ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 inches longer, 0.2 inches narrower and 1.1 inches lower than the Porsche 911 Turbo Coupé.
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
50
73.8
81.7
51.1
74
77.9
73.8 in
Width
74 in
81.7 in
Width Incl. Mirrors
77.9 in
50 in
Height
51.1 in
107.9
185.4
96.5
177.4
185.4 in
Length
177.4 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
3968 lb
Curb Weight
3682 lb
4542 lb
Gross Vehicle
Weight
Weight
4431 lb
Weight Difference:
287 lb
7.23 %
General
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
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 Turbo Coupé
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
3.8 L / 186 cu in
450 hp
at 6000 rpm
Power
533 hp
at 6400 rpm
Aston Martin DB9 Coupé
450 hp
533 hp
Porsche 911 Turbo Coupé
420 lb‑ft
at 5000 rpm
Max. Torque
487 lb‑ft
at 1950 rpm
Aston Martin DB9 Coupé
420 lb‑ft
487 lb‑ft
Porsche 911 Turbo Coupé
Performance
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
186 mph
Maximum Speed
199 mph
5.1 sec
Acceleration 0 to 62 mph
3 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
138 ft
0.000 sec
Porsche 911 Turbo Coupé
▶ REPLAY
8.82 lb/hp
Weight-to-Power Ratio
6.91 lb/hp
Aston Martin DB9 Coupé
8.82 lb/hp
6.91 lb/hp
Porsche 911 Turbo Coupé
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
Fuel Economy
14 mpg
combined
26 mpg
Aston Martin DB9 Coupé
14 mpg
26 mpg
Porsche 911 Turbo Coupé
9 mpg
city
20 mpg
No data
highway
31 mpg
21.1 gal
Fuel Tank Capacity
18 gal
301 mi
Range
464 mi
Aston Martin DB9 Coupé
301 mi
464 mi
Porsche 911 Turbo Coupé
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).
172.4 kWh
Aston Martin DB9 Coupé
312.5 kWh
172.4 kWh
Porsche 911 Turbo Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
634 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Turbo Coupé
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
750 lb
4.4 cu ft
Trunk Volume
3.3 cu ft
No data
Cargo Volume (Seats Down)
No data
