2005 BMW X5 vs. 2008 Infiniti QX56
To start off, 2008 Infiniti QX56 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,552 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 105 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 850 kg more than 2008 Infiniti QX56.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 13 more torque (in Nm) than 2005 BMW X5. (520 Nm @ 2000 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5. 2008 Infiniti QX56 has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2008 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | X5 | QX56 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 320 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 520 Nm | 533 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2170 kg | 1320 kg |
| Vehicle Length | 4670 mm | 5260 mm |
| Vehicle Width | 1880 mm | 2030 mm |
| Vehicle Height | 1720 mm | 2010 mm |
| Wheelbase Size | 2830 mm | 3140 mm |
| Fuel Consumption Overall | 8.6 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 93 L | 106 L |
