The Comparative Analysis :

Aston Martin DB9 Coupé Touchtronic (08 - 12) vs. Porsche 911 Carrera Coupé 4S PDK (12 - 15)

€ 172,900
Aston Martin DB9 Coupé Touchtronic (08 - 12) Aston Martin DB9 Coupé
€ 130,100
 Porsche 911 Carrera Coupé 4S PDK (12 - 15) Porsche 911 Carrera Coupé 4S
€ 172,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 130,100

ⓘ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 8.6 inches longer, 0.9 inches wider and 0.9 inches taller than the Porsche 911 Carrera Coupé 4S.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
51.9
Blueprint Aston Martin DB9 Coupé Touchtronic (08 - 12)
73.8
81.7
51
Blueprint Porsche 911 Carrera Coupé 4S PDK (12 - 15)
72.9
77.9
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
51.9 in
Height
51 in
Blueprint Aston Martin DB9 Coupé Touchtronic (08 - 12)
107.9
185.4
Blueprint Porsche 911 Carrera Coupé 4S PDK (12 - 15)
96.5
176.8
185.4 in
Length
176.8 in
107.9 in
Wheelbase
96.5 in

Vehicle Weight

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
3968 lb
Curb Weight
3395 lb
4542 lb
Gross Vehicle
Weight
4178 lb
Aston Martin DB9 Coupé Touchtronic (08 - 12)
Weight Difference:
573 lb
14.44 %
Porsche 911 Carrera Coupé 4S PDK (12 - 15)

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 (nat­u­ral­ly as­pi­rat­ed engine)
AM09
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.8 L / 186 cu in
470 hp
at 6000 rpm
Power
424 hp
at 7500 rpm
Aston Martin DB9 Coupé
470 hp
424 hp
Porsche 911 Carrera Coupé 4S
443 lb‑ft
at 5000 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
Aston Martin DB9 Coupé
443 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S

Performance

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
190 mph
Maximum Speed
187 mph
5.1 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

233 ft
0.000 sec

Aston Martin DB9 Coupé

62 mph 62
mph

190 ft
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
8.44 lb/hp
Weight-to-Power Ratio
8.01 lb/hp
Aston Martin DB9 Coupé
8.44 lb/hp
8.01 lb/hp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
15 mpg
combined
26 mpg
Aston Martin DB9 Coupé
15 mpg
26 mpg
Porsche 911 Carrera Coupé 4S
10 mpg
city
19 mpg
No data
highway
34 mpg
Kraftstoffanzeige
22.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
339 mi
Range
464 mi
Aston Martin DB9 Coupé
339 mi
464 mi
Porsche 911 Carrera Coupé 4S
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).
172.4 kWh
Aston Martin DB9 Coupé
295.5 kWh
172.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 5
Emission Standard
Euro 5 / Euro 6
592 g/mi (NEFZ)
CO2 Emissions
346 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
783 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data