2005 GMC Sierra 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 Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP) has 98 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 640 kg more than 2005 GMC Sierra. 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 Sierra. 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 (564 Nm) has 110 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra. 2009 Hummer H2 has automatic transmission and 2005 GMC Sierra has manual transmission. 2005 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2009 Hummer H2 | |
| Make | GMC | Hummer |
| Model | Sierra | H2 |
| Year Released | 2005 | 2009 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 6199 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 393 HP |
| Torque | 454 Nm | 564 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2263 kg | 2903 kg |
| Vehicle Length | 5850 mm | 4830 mm |
| Vehicle Width | 2000 mm | 2070 mm |
| Vehicle Height | 1850 mm | 2020 mm |
| Wheelbase Size | 3650 mm | 3130 mm |
| Fuel Consumption Overall | 13.1 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 98 L | 121 L |
