2005 GMC Sierra vs. 2010 Hummer H3
To start off, 2010 Hummer H3 is newer by 5 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 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 Hummer H3 (363 HP) has 68 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2010 Hummer H3 should accelerate faster than 2005 GMC Sierra.
Because 2010 Hummer H3 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, 2010 Hummer H3 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.
Compare all specifications:
| 2005 GMC Sierra | 2010 Hummer H3 | |
| Make | GMC | Hummer |
| Model | Sierra | H3 |
| Year Released | 2005 | 2010 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 363 HP |
| Engine Compression Ratio | 9.5:1 | 9.9:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 2000 mm | 2000 mm |
