2009 BMW 650 vs. 2005 Infiniti QX56
To start off, 2009 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2005 Infiniti QX56 would be higher. At 5,555 cc (8 cylinders), 2005 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 47 more horse power than 2005 Infiniti QX56. (315 HP @ 6400 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2005 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX56 weights approximately 1016 kg more than 2009 BMW 650.
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, 2005 Infiniti QX56 (529 Nm) has 38 more torque (in Nm) than 2009 BMW 650. (491 Nm). This means 2005 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 650.
Compare all specifications:
| 2009 BMW 650 | 2005 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | 650 | QX56 |
| Year Released | 2009 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 5555 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 315 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 491 Nm | 529 Nm |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1415 kg | 2431 kg |
| Vehicle Length | 4830 mm | 5260 mm |
| Vehicle Width | 1380 mm | 2010 mm |
| Vehicle Height | 1860 mm | 1960 mm |
| Wheelbase Size | 2790 mm | 3140 mm |
| Fuel Consumption Overall | 7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
