2003 BMW 545 vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 8 more horse power than 2007 Infiniti QX56. (320 HP @ 4900 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2007 Infiniti QX56.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 82 more torque (in Nm) than 2003 BMW 545. (451 Nm @ 3600 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 545.
Compare all specifications:
| 2003 BMW 545 | 2007 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | 545 | QX56 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 320 HP |
| Engine RPM | 6100 RPM | 4900 RPM |
| Torque | 451 Nm | 533 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4850 mm | 5260 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1470 mm | 1960 mm |
| Wheelbase Size | 2890 mm | 3140 mm |
| Fuel Consumption | 7.7 L/100km | 13.1 L/100km |
| Fuel Consumption City | 15.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 10.6 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
