2005 Chevrolet Tahoe 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 Chevrolet Tahoe. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Tahoe 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 60 more horse power than 2005 Chevrolet Tahoe. (260 HP @ 5200 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2005 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Tahoe weights approximately 940 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 Chevrolet Tahoe. 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 @ 3400 RPM) has 140 more torque (in Nm) than 2005 Chevrolet Tahoe. (393 Nm @ 4000 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Tahoe.
Compare all specifications:
| 2005 Chevrolet Tahoe | 2008 Infiniti QX56 | |
| Make | Chevrolet | Infiniti |
| Model | Tahoe | QX56 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4807 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 260 HP | 320 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 393 Nm | 533 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 6 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2260 kg | 1320 kg |
| Vehicle Length | 5060 mm | 5260 mm |
| Vehicle Width | 2010 mm | 2030 mm |
| Vehicle Height | 1910 mm | 2010 mm |
| Wheelbase Size | 2950 mm | 3140 mm |
| Fuel Consumption | 11.9 L/100km | 13.8 L/100km |
| Fuel Consumption City | 14.9 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 14 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 117 L | 106 L |
