2009 Infiniti FX vs. 2006 Infiniti Q45
To start off, 2009 Infiniti FX is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 5,026 cc (8 cylinders), 2009 Infiniti FX is equipped with a bigger engine. In terms of performance, 2009 Infiniti FX (385 HP @ 6500 RPM) has 45 more horse power than 2006 Infiniti Q45. (340 HP @ 6400 RPM). In normal driving conditions, 2009 Infiniti FX should accelerate faster than 2006 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti FX weights approximately 800 kg more than 2006 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2006 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti FX 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, 2009 Infiniti FX (500 Nm @ 4400 RPM) has 48 more torque (in Nm) than 2006 Infiniti Q45. (452 Nm @ 4000 RPM). This means 2009 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti Q45.
Compare all specifications:
| 2009 Infiniti FX | 2006 Infiniti Q45 | |
| Make | Infiniti | Infiniti |
| Model | FX | Q45 |
| Year Released | 2009 | 2006 |
| Body Type | Crossover | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5026 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 385 HP | 340 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 500 Nm | 452 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 95.5 mm | 93 mm |
| Engine Stroke Size | 87.7 mm | 82.7 mm |
| Engine Compression Ratio | 10.9:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2120 kg | 1320 kg |
| Vehicle Length | 4870 mm | 5110 mm |
| Vehicle Width | 1930 mm | 1850 mm |
| Vehicle Height | 1690 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Consumption Overall | 13 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 90 L | 81 L |
