2009 Infiniti FX vs. 2008 Infiniti QX56
To start off, 2009 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2008 Infiniti QX56 would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 17 more horse power than 2009 Infiniti FX. (303 HP @ 6800 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2009 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti FX weights approximately 399 kg more than 2008 Infiniti QX56.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 178 more torque (in Nm) than 2009 Infiniti FX. (355 Nm @ 4800 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti FX.
Compare all specifications:
| 2009 Infiniti FX | 2008 Infiniti QX56 | |
| Make | Infiniti | Infiniti |
| Model | FX | QX56 |
| Year Released | 2009 | 2008 |
| Body Type | Crossover | SUV |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 5550 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 303 HP | 320 HP |
| Engine RPM | 6800 RPM | 5200 RPM |
| Torque | 355 Nm | 533 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1719 kg | 1320 kg |
| Vehicle Length | 4870 mm | 5260 mm |
| Vehicle Width | 1930 mm | 2030 mm |
| Vehicle Height | 1660 mm | 1960 mm |
| Wheelbase Size | 2890 mm | 3140 mm |
| Fuel Consumption | 11.2 L/100km | 13.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 106 L |
