The Comparative Analysis :
Porsche 911 Carrera Coupé S (17 - 18) vs. Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
€ 122,600
€ 187,000
€ 122,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 187,000
ⓘ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 Porsche 911 Carrera Coupé S is 8.7 inches shorter, 2.6 inches narrower and 0.6 inches taller than the Aston Martin DB9 GT Coupé.
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
51
71.2
77.9
50.5
73.8
81.7
71.2 in
Width
73.8 in
77.9 in
Width Incl. Mirrors
81.7 in
51 in
Height
50.5 in
96.5
177.1
107.9
185.8
177.1 in
Length
185.8 in
96.5 in
Wheelbase
107.9 in
Vehicle Weight
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
3340 lb
Curb Weight
3935 lb
4189 lb
Gross Vehicle
Weight
Weight
4542 lb
Weight Difference:
595 lb
15.12 %
General
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
991
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine (naturally aspirated engine)
Engine Code
AM11
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
444 hp
at 6500 rpm
Power
540 hp
at 6750 rpm
Porsche 911 Carrera Coupé S
444 hp
540 hp
Aston Martin DB9 GT Coupé
406 lb‑ft
at 2150 rpm
Max. Torque
457 lb‑ft
at 5500 rpm
Porsche 911 Carrera Coupé S
406 lb‑ft
457 lb‑ft
Aston Martin DB9 GT Coupé
Performance
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
194 mph
Maximum Speed
183 mph
4.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
187 ft
0.000 sec
Porsche 911 Carrera Coupé S
62 mph
62
mph
mph
207 ft
0.000 sec
Aston Martin DB9 GT Coupé
▶ REPLAY
7.52 lb/hp
Weight-to-Power Ratio
7.29 lb/hp
Porsche 911 Carrera Coupé S
7.52 lb/hp
7.29 lb/hp
Aston Martin DB9 GT Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
Fuel Economy
25 mpg
combined
16 mpg
Porsche 911 Carrera Coupé S
25 mpg
16 mpg
Aston Martin DB9 GT Coupé
18 mpg
city
11 mpg
32 mpg
highway
No data
16.9 gal
Fuel Tank Capacity
20.6 gal
423 mi
Range
339 mi
Porsche 911 Carrera Coupé S
423 mi
339 mi
Aston Martin DB9 GT Coupé
Environmental Impact
178.2 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).
270.9 kWh
Porsche 911 Carrera Coupé S
178.2 kWh
270.9 kWh
Aston Martin DB9 GT Coupé
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6b (NEFZ)
341 g/mi (NEFZ)
CO2 Emissions
536 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Coupé S
Aston Martin DB9 GT Coupé
2
Doors
3
4
No. of Seats
4
849 lb
Maximum Payload
606 lb
4.1 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data
