2009 BMW 550 vs. 2006 Infiniti FX
To start off, 2009 BMW 550 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2006 Infiniti FX would be higher. At 4,798 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 42 more horse power than 2006 Infiniti FX. (320 HP @ 6400 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2006 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 295 kg more than 2009 BMW 550.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2006 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 BMW 550 (490 Nm @ 3400 RPM) has 36 more torque (in Nm) than 2006 Infiniti FX. (454 Nm @ 4000 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti FX.
Compare all specifications:
| 2009 BMW 550 | 2006 Infiniti FX | |
| Make | BMW | Infiniti |
| Model | 550 | FX |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4798 cc | 4490 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 320 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 490 Nm | 454 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 88.3 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1955 kg |
| Vehicle Length | 4850 mm | 4810 mm |
| Vehicle Width | 1470 mm | 1930 mm |
| Vehicle Height | 1850 mm | 1660 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 7.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
