2009 Hummer H3 vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Hummer H3. In addition, the cost of maintenance, including insurance, on 2009 Hummer H3 would be higher. At 6,200 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (403 HP @ 5700 RPM) has 40 more horse power than 2009 Hummer H3. (363 HP @ 5200 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 2009 Hummer H3.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2012 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2009 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. 2012 GMC Sierra has automatic transmission and 2009 Hummer H3 has manual transmission. 2009 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H3 | 2012 GMC Sierra | |
| Make | Hummer | GMC |
| Model | H3 | Sierra |
| Year Released | 2009 | 2012 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 6200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 363 HP | 403 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Vehicle Width | 2000 mm | 2032 mm |
