The Comparative Analysis :

Aston Martin DB9 GT Coupé Touchtronic (15 - 16) vs. Porsche 911 Carrera Coupé PDK (19 - ..)

€ 187,000
Aston Martin DB9 GT Coupé Touchtronic (15 - 16) Aston Martin DB9 GT Coupé
€ 104,700
 Porsche 911 Carrera Coupé PDK (19 - ..) Porsche 911 Carrera Coupé
€ 187,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 104,700

ⓘ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 7.9 inches longer, 0.9 inches wider and 0.6 inches lower than the Porsche 911 Carrera Coupé.
Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
50.5
Blueprint Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
73.8
81.7
51.1
Blueprint Porsche 911 Carrera Coupé PDK (19 - ..)
72.9
79.7
73.8 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
79.7 in
50.5 in
Height
51.1 in
Blueprint Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
107.9
185.8
Blueprint Porsche 911 Carrera Coupé PDK (19 - ..)
96.5
177.9
185.8 in
Length
177.9 in
107.9 in
Wheelbase
96.5 in

Vehicle Weight

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
3935 lb
Curb Weight
3483 lb
4542 lb
Gross Vehicle
Weight
4321 lb
Aston Martin DB9 GT Coupé Touchtronic (15 - 16)
Weight Difference:
452 lb
11.49 %
Porsche 911 Carrera Coupé PDK (19 - ..)

General

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
VH1
Generation
992
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed dual clutch transmission

Engine

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
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
540 hp
at 6750 rpm
Power
380 hp
at 6500 rpm
Aston Martin DB9 GT Coupé
540 hp
380 hp
Porsche 911 Carrera Coupé
457 lb‑ft
at 5500 rpm
Max. Torque
332 lb‑ft
at 1950 rpm
Aston Martin DB9 GT Coupé
457 lb‑ft
332 lb‑ft
Porsche 911 Carrera Coupé

Performance

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
183 mph
Maximum Speed
182 mph
4.5 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

207 ft
0.000 sec

Aston Martin DB9 GT Coupé

62 mph 62
mph

190 ft
0.000 sec

Porsche 911 Carrera Coupé

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

Fuel Economy / Emissions

Aston Martin DB9 GT Coupé
Porsche 911 Carrera Coupé
Fuel Economy
16 mpg
combined
26 mpg
Aston Martin DB9 GT Coupé
16 mpg
26 mpg
Porsche 911 Carrera Coupé
11 mpg
city
21 mpg
No data
highway
31 mpg
Kraftstoffanzeige
20.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
339 mi
Range
442 mi
Aston Martin DB9 GT Coupé
339 mi
442 mi
Porsche 911 Carrera Coupé
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).
170.4 kWh
Aston Martin DB9 GT Coupé
270.9 kWh
170.4 kWh
Porsche 911 Carrera Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d
536 g/mi (NEFZ)
CO2 Emissions
364 g/mi (WLTP)

Practical Convenience

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