2009 BMW 550 vs. 2002 Infiniti QX4
To start off, 2009 BMW 550 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2002 Infiniti QX4 would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 124 more horse power than 2002 Infiniti QX4. (238 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2002 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti QX4 weights approximately 298 kg more than 2009 BMW 550.
Because 2002 Infiniti QX4 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, 2002 Infiniti QX4 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 131 more torque (in Nm) than 2002 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti QX4.
Compare all specifications:
| 2009 BMW 550 | 2002 Infiniti QX4 | |
| Make | BMW | Infiniti |
| Model | 550 | QX4 |
| Year Released | 2009 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3498 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 238 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 359 Nm |
| Torque RPM | 3400 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1960 kg |
| Vehicle Length | 4850 mm | 4660 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1850 mm | 1800 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
