2005 GMC Sierra 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 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP) has 20 more horse power than 2005 GMC Sierra. (300 HP) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1468 kg more than 2008 Infiniti QX56.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti QX56 (533 Nm) has 45 more torque (in Nm) than 2005 GMC Sierra. (488 Nm). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2008 Infiniti QX56 | |
| Make | GMC | Infiniti |
| Model | Sierra | QX56 |
| Year Released | 2005 | 2008 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 5550 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 320 HP |
| Torque | 488 Nm | 533 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 6 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2788 kg | 1320 kg |
| Vehicle Length | 6270 mm | 5260 mm |
| Vehicle Width | 2450 mm | 2030 mm |
| Vehicle Height | 1940 mm | 1960 mm |
| Wheelbase Size | 4010 mm | 3140 mm |
| Fuel Tank Capacity | 129 L | 106 L |
