The Comparative Analysis :
Aston Martin DB9 Coupé Touchtronic (06 - 08) vs. Porsche 911 Carrera Coupé S (17 - 18)
€ 163,500
€ 122,600
€ 163,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 122,600
ⓘ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, 2.6 inches wider and an inch lower than the Porsche 911 Carrera Coupé S.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
50
73.8
81.7
51
71.2
77.9
73.8 in
Width
71.2 in
81.7 in
Width Incl. Mirrors
77.9 in
50 in
Height
51 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 S
3968 lb
Curb Weight
3340 lb
4542 lb
Gross Vehicle
Weight
Weight
4189 lb
Weight Difference:
628 lb
15.83 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
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 manual transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
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
444 hp
at 6500 rpm
Aston Martin DB9 Coupé
450 hp
444 hp
Porsche 911 Carrera Coupé S
420 lb‑ft
at 5000 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
Aston Martin DB9 Coupé
420 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé S
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
186 mph
Maximum Speed
194 mph
5.1 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
187 ft
0.000 sec
Porsche 911 Carrera Coupé S
▶ REPLAY
8.82 lb/hp
Weight-to-Power Ratio
7.52 lb/hp
Aston Martin DB9 Coupé
8.82 lb/hp
7.52 lb/hp
Porsche 911 Carrera Coupé S
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
14 mpg
combined
25 mpg
Aston Martin DB9 Coupé
14 mpg
25 mpg
Porsche 911 Carrera Coupé S
9 mpg
city
18 mpg
No data
highway
32 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
301 mi
Range
423 mi
Aston Martin DB9 Coupé
301 mi
423 mi
Porsche 911 Carrera Coupé S
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).
178.2 kWh
Aston Martin DB9 Coupé
312.5 kWh
178.2 kWh
Porsche 911 Carrera Coupé S
Euro 4
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
634 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé S
3
Doors
2
4
No. of Seats
4
573 lb
Maximum Payload
849 lb
4.4 cu ft
Trunk Volume
4.1 cu ft
No data
Cargo Volume (Seats Down)
No data
