2005 BMW 740 vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 65 more horse power than 2005 BMW 740. (255 HP @ 4000 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2005 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 770 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 740. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti QX56 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, 2005 BMW 740 (600 Nm @ 1900 RPM) has 67 more torque (in Nm) than 2009 Infiniti QX56. (533 Nm @ 3400 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti QX56.
Compare all specifications:
| 2005 BMW 740 | 2009 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | 740 | QX56 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 320 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 600 Nm | 533 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Compression Ratio | 18.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2090 kg | 1320 kg |
| Vehicle Length | 5040 mm | 5260 mm |
| Vehicle Width | 1910 mm | 2010 mm |
| Vehicle Height | 1500 mm | 2010 mm |
| Wheelbase Size | 2890 mm | 3140 mm |
| Fuel Consumption Overall | 9.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 88 L | 106 L |
