The Comparative Analysis :
Aston Martin DB9 Coupé (12 - 13) vs. Porsche 911 Carrera Coupé 4S (12 - 15)
€ 175,000
€ 126,100
€ 175,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 126,100
ⓘ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 9 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
73.8
81.7
51
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
107.9
185.8
96.5
176.8
185.8 in
Length
176.8 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
3935 lb
Curb Weight
3351 lb
4542 lb
Gross Vehicle
Weight
Weight
4134 lb
Weight Difference:
584 lb
14.84 %
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 manual transmission
Transmission
7-speed manual 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)
AM11
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3.8 L / 186 cu in
510 hp
at 6500 rpm
Power
424 hp
at 7500 rpm
Aston Martin DB9 Coupé
510 hp
424 hp
Porsche 911 Carrera Coupé 4S
457 lb‑ft
at 5500 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
Aston Martin DB9 Coupé
457 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
183 mph
Maximum Speed
188 mph
4.6 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
210 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
200 ft
0.000 sec
Porsche 911 Carrera Coupé 4S
▶ REPLAY
7.72 lb/hp
Weight-to-Power Ratio
7.9 lb/hp
Aston Martin DB9 Coupé
7.72 lb/hp
7.9 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
16 mpg
combined
24 mpg
Aston Martin DB9 Coupé
16 mpg
24 mpg
Porsche 911 Carrera Coupé 4S
11 mpg
city
17 mpg
No data
highway
31 mpg
20.6 gal
Fuel Tank Capacity
18 gal
339 mi
Range
427 mi
Aston Martin DB9 Coupé
339 mi
427 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
270.9 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).
187.5 kWh
Aston Martin DB9 Coupé
270.9 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4S
Euro 5
Emission Standard
Euro 5 / Euro 6
536 g/mi (NEFZ)
CO2 Emissions
377 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4S
3
Doors
2
4
No. of Seats
4
606 lb
Maximum Payload
783 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
