The Comparative Analysis :

Aston Martin DB9 GT Coupé Touchtronic (15 - 16) vs. Porsche 911 Carrera Coupé 4 (12 - 15)

€ 187,000
Aston Martin DB9 GT Coupé Touchtronic (15 - 16) Aston Martin DB9 GT Coupé
€ 97,600
 Porsche 911 Carrera Coupé 4 (12 - 15) Porsche 911 Carrera Coupé 4
€ 187,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,600

ⓘ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 Aston Martin DB9 GT Coupé is 9 inches longer, 0.9 inches wider and 0.9 inches lower than the Porsche 911 Carrera Coupé 4.
Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
50.5
Blueprint Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
73.8
81.7
51.3
Blueprint Porsche 911 Carrera Coupé 4 (12 - 15)
72.9
77.9
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
50.5 in
Height
51.3 in
Blueprint Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
107.9
185.8
Blueprint Porsche 911 Carrera Coupé 4 (12 - 15)
96.5
176.8
185.8 in
Length
176.8 in
107.9 in
Wheelbase
96.5 in

Vehicle Weight

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
3935 lb
Curb Weight
3318 lb
4542 lb
Gross Vehicle
Weight
4068 lb
Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
Weight Difference:
617 lb
15.68 %
Porsche 911 Carrera Coupé 4 (12 - 15)

General

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
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 manual transmission

Engine

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
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
3.4 L / 166 cu in
540 hp
at 6750 rpm
Power
345 hp
at 7400 rpm
Aston Martin DB9 GT Coupé
540 hp
345 hp
Porsche 911 Carrera Coupé 4
457 lb‑ft
at 5500 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
Aston Martin DB9 GT Coupé
457 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé 4

Performance

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
183 mph
Maximum Speed
177 mph
4.5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

207 ft
0.000 sec

Aston Martin DB9 GT Coupé

62 mph 62
mph

223 ft
0.000 sec

Porsche 911 Carrera Coupé 4

▶ REPLAY
7.29 lb/hp
Weight-to-Power Ratio
9.62 lb/hp
Aston Martin DB9 GT Coupé
7.29 lb/hp
9.62 lb/hp
Porsche 911 Carrera Coupé 4

Fuel Economy / Emissions

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
16 mpg
combined
25 mpg
Aston Martin DB9 GT Coupé
16 mpg
25 mpg
Porsche 911 Carrera Coupé 4
11 mpg
city
18 mpg
No data
highway
33 mpg
Kraftstoffanzeige
20.6 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
339 mi
Range
454 mi
Aston Martin DB9 GT Coupé
339 mi
454 mi
Porsche 911 Carrera Coupé 4
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).
176.2 kWh
Aston Martin DB9 GT Coupé
270.9 kWh
176.2 kWh
Porsche 911 Carrera Coupé 4
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
536 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)

Practical Convenience

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