2006 GMC Sierra vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 20 more horse power than 2006 GMC Sierra. (300 HP @ 4400 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 716 kg more than 2009 Infiniti QX56.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra 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 Infiniti QX56 (533 Nm @ 3400 RPM) has 45 more torque (in Nm) than 2006 GMC Sierra. (488 Nm @ 4000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 2009 Infiniti QX56 | |
| Make | GMC | Infiniti |
| Model | Sierra | QX56 |
| Year Released | 2006 | 2009 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 320 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Torque | 488 Nm | 533 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1719 kg |
| Vehicle Length | 6570 mm | 5260 mm |
| Vehicle Width | 2030 mm | 2010 mm |
| Vehicle Height | 1960 mm | 1980 mm |
| Wheelbase Size | 4250 mm | 3140 mm |
| Fuel Consumption Overall | 13.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 129 L | 106 L |
