The Comparative Analysis :

Aston Martin DB9 Coupé Touchtronic (13 - 15) vs. Porsche 911 Carrera Coupé (08 - 11)

€ 178,000
Aston Martin DB9 Coupé Touchtronic (13 - 15) Aston Martin DB9 Coupé
€ 85,500
 Porsche 911 Carrera Coupé (08 - 11) Porsche 911 Carrera Coupé
€ 178,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,500

ⓘ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 11.2 inches longer, 2.6 inches wider and 0.3 inches taller than the Porsche 911 Carrera Coupé.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
51.9
Blueprint Aston Martin DB9 Coupé Touchtronic (13 - 15)
73.8
81.7
51.6
Blueprint Porsche 911 Carrera Coupé (08 - 11)
71.2
79.1
73.8 in
Width
71.2 in
81.7 in
Width Incl. Mirrors
79.1 in
51.9 in
Height
51.6 in
Blueprint Aston Martin DB9 Coupé Touchtronic (13 - 15)
107.9
185.8
Blueprint Porsche 911 Carrera Coupé (08 - 11)
92.5
174.6
185.8 in
Length
174.6 in
107.9 in
Wheelbase
92.5 in

Vehicle Weight

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3935 lb
Curb Weight
3285 lb
4542 lb
Gross Vehicle
Weight
4012 lb
Aston Martin DB9 Coupé Touchtronic (13 - 15)
Weight Difference:
650 lb
16.52 %
Porsche 911 Carrera Coupé (08 - 11)

General

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
VH1
Generation
997
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
AM11
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.6 L / 176 cu in
510 hp
at 6500 rpm
Power
340 hp
at 6500 rpm
Aston Martin DB9 Coupé
510 hp
340 hp
Porsche 911 Carrera Coupé
457 lb‑ft
at 5500 rpm
Max. Torque
288 lb‑ft
at 4400 rpm
Aston Martin DB9 Coupé
457 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé

Performance

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
183 mph
Maximum Speed
180 mph
4.6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

210 ft
0.000 sec

Aston Martin DB9 Coupé

62 mph 62
mph

223 ft
0.000 sec

Porsche 911 Carrera Coupé

▶ REPLAY
7.72 lb/hp
Weight-to-Power Ratio
9.66 lb/hp
Aston Martin DB9 Coupé
7.72 lb/hp
9.66 lb/hp
Porsche 911 Carrera Coupé

Fuel Economy / Emissions

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
Fuel Economy
16 mpg
combined
23 mpg
Aston Martin DB9 Coupé
16 mpg
23 mpg
Porsche 911 Carrera Coupé
11 mpg
city
15 mpg
No data
highway
33 mpg
Kraftstoffanzeige
20.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
332 mi
Range
386 mi
Aston Martin DB9 Coupé
332 mi
386 mi
Porsche 911 Carrera Coupé
Environmental Impact
276.6 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).
195.2 kWh
Aston Martin DB9 Coupé
276.6 kWh
195.2 kWh
Porsche 911 Carrera Coupé
Euro 5
Emission Standard
Euro 5
555 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)

Practical Convenience

Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé
3
Doors
2
4
No. of Seats
4
606 lb
Maximum Payload
728 lb
4.4 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data