2008 Infiniti QX56 vs. 2005 Porsche 911
To start off, 2008 Infiniti QX56 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 94 more horse power than 2008 Infiniti QX56. (320 HP @ 5200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2008 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 60 kg more than 2008 Infiniti QX56. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti QX56 will offer significantly more control. 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, 2005 Porsche 911 (560 Nm @ 2700 RPM) has 27 more torque (in Nm) than 2008 Infiniti QX56. (533 Nm @ 3400 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti QX56.
Compare all specifications:
| 2008 Infiniti QX56 | 2005 Porsche 911 | |
| Make | Infiniti | Porsche |
| Model | QX56 | 911 |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5550 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 414 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 533 Nm | 560 Nm |
| Torque RPM | 3400 RPM | 2700 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1380 kg |
| Wheelbase Size | 3140 mm | 2360 mm |
| Fuel Consumption Overall | 16.8 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 106 L | 64 L |
