2005 GMC Envoy vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 GMC Envoy. In addition, the cost of maintenance, including insurance, on 2005 GMC Envoy would be higher. At 6,162 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (388 HP) has 113 more horse power than 2005 GMC Envoy. (275 HP) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2005 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 675 kg more than 2005 GMC Envoy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Envoy. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H2 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 Hummer H2 (415 Nm) has 42 more torque (in Nm) than 2005 GMC Envoy. (373 Nm). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Envoy.
Compare all specifications:
| 2005 GMC Envoy | 2009 Hummer H2 | |
| Make | GMC | Hummer |
| Model | Envoy | H2 |
| Year Released | 2005 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6162 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 275 HP | 388 HP |
| Torque | 373 Nm | 415 Nm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2175 kg | 2850 kg |
| Vehicle Length | 5300 mm | 4830 mm |
| Vehicle Width | 1880 mm | 2070 mm |
| Vehicle Height | 1850 mm | 2080 mm |
| Wheelbase Size | 3280 mm | 3130 mm |
| Fuel Consumption Overall | 14.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 95 L | 121 L |
