2008 Hummer H2 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Hummer H2. In addition, the cost of maintenance, including insurance, on 2008 Hummer H2 would be higher. At 6,162 cc (8 cylinders), 2008 Hummer H2 is equipped with a bigger engine. In terms of performance, 2008 Hummer H2 (393 HP @ 5700 RPM) has 201 more horse power than 2013 GMC Sierra. (192 HP @ 4600 RPM). In normal driving conditions, 2008 Hummer H2 should accelerate faster than 2013 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H2 weights approximately 593 kg more than 2013 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2013 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Hummer H2 (563 Nm @ 4400 RPM) has 210 more torque (in Nm) than 2013 GMC Sierra. (353 Nm @ 2800 RPM). This means 2008 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2013 GMC Sierra.
Compare all specifications:
| 2008 Hummer H2 | 2013 GMC Sierra | |
| Make | Hummer | GMC |
| Model | H2 | Sierra |
| Year Released | 2008 | 2013 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6162 cc | 4300 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 393 HP | 192 HP |
| Engine RPM | 5700 RPM | 4600 RPM |
| Torque | 563 Nm | 353 Nm |
| Torque RPM | 4400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 4-speed automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2903 kg | 2310 kg |
| Vehicle Length | 5180 mm | 5847 mm |
| Vehicle Width | 2070 mm | 2031 mm |
| Vehicle Height | 2000 mm | 1877 mm |
| Wheelbase Size | 3130 mm | 3645 mm |
| Fuel Tank Capacity | 121 L | 98 L |
