2004 Aston Martin DB9 vs. 2005 Infiniti QX56
To start off, 2005 Infiniti QX56 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2004 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 139 more horse power than 2005 Infiniti QX56. (315 HP @ 6400 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2005 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX56 weights approximately 715 kg more than 2004 Aston Martin DB9.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Aston Martin DB9 (570 Nm) has 41 more torque (in Nm) than 2005 Infiniti QX56. (529 Nm). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti QX56. 2005 Infiniti QX56 has automatic transmission and 2004 Aston Martin DB9 has manual transmission. 2004 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Aston Martin DB9 | 2005 Infiniti QX56 | |
| Make | Aston Martin | Infiniti |
| Model | DB9 | QX56 |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 5555 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 454 HP | 315 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 570 Nm | 529 Nm |
| Engine Bore Size | 89 mm | 98 mm |
| Engine Stroke Size | 79.5 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 9.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1716 kg | 2431 kg |
| Vehicle Length | 4720 mm | 5260 mm |
| Vehicle Width | 1880 mm | 2010 mm |
| Vehicle Height | 1320 mm | 1960 mm |
| Wheelbase Size | 2750 mm | 3140 mm |
| Fuel Tank Capacity | 85 L | 106 L |
