The Comparative Analysis :
Aston Martin DB9 Coupé (12 - 13) vs. Porsche 911 Carrera Coupé 4 GTS PDK (17 - 19)
€ 175,000
€ 137,300
€ 175,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,300
ⓘ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 7.6 inches longer, 0.9 inches wider and 1.3 inches taller than the Porsche 911 Carrera Coupé 4 GTS.
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
51.9
73.8
81.7
50.6
72.9
77.9
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
51.9 in
Height
50.6 in
107.9
185.8
96.5
178.3
185.8 in
Length
178.3 in
107.9 in
Wheelbase
96.5 in
Vehicle Weight
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
3935 lb
Curb Weight
3505 lb
4542 lb
Gross Vehicle
Weight
Weight
4332 lb
Weight Difference:
430 lb
10.93 %
General
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
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 dual clutch transmission
Engine
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
V12 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
AM11
Engine Code
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3 L / 147 cu in
510 hp
at 6500 rpm
Power
444 hp
at 6500 rpm
Aston Martin DB9 Coupé
510 hp
444 hp
Porsche 911 Carrera Coupé 4 GTS
457 lb‑ft
at 5500 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
Aston Martin DB9 Coupé
457 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé 4 GTS
Performance
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
183 mph
Maximum Speed
191 mph
4.6 sec
Acceleration 0 to 62 mph
3.6 sec
62 mph
62
mph
mph
210 ft
0.000 sec
Aston Martin DB9 Coupé
62 mph
62
mph
mph
164 ft
0.000 sec
Porsche 911 Carrera Coupé 4 GTS
▶ REPLAY
7.72 lb/hp
Weight-to-Power Ratio
7.89 lb/hp
Aston Martin DB9 Coupé
7.72 lb/hp
7.89 lb/hp
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy / Emissions
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy
16 mpg
combined
28 mpg
Aston Martin DB9 Coupé
16 mpg
28 mpg
Porsche 911 Carrera Coupé 4 GTS
11 mpg
city
22 mpg
No data
highway
33 mpg
20.6 gal
Fuel Tank Capacity
17.7 gal
339 mi
Range
490 mi
Aston Martin DB9 Coupé
339 mi
490 mi
Porsche 911 Carrera Coupé 4 GTS
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).
161.1 kWh
Aston Martin DB9 Coupé
270.9 kWh
161.1 kWh
Porsche 911 Carrera Coupé 4 GTS
Euro 5
Emission Standard
Euro 6
536 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Coupé
Porsche 911 Carrera Coupé 4 GTS
3
Doors
2
4
No. of Seats
4
606 lb
Maximum Payload
827 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
