1999 GMC Sierra vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 GMC Sierra. In addition, the cost of maintenance, including insurance, on 1999 GMC Sierra would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (282 HP @ 5200 RPM) has 39 more horse power than 2009 Hummer H3. (243 HP @ 5600 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 396 kg more than 1999 GMC Sierra.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1999 GMC Sierra (440 Nm @ 4000 RPM) has 112 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3. 2009 Hummer H3 has automatic transmission and 1999 GMC Sierra has manual transmission. 1999 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 GMC Sierra | 2009 Hummer H3 | |
| Make | GMC | Hummer |
| Model | Sierra | H3 |
| Year Released | 1999 | 2009 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5325 cc | 3653 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 282 HP | 243 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 440 Nm | 328 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1835 kg | 2231 kg |
| Vehicle Length | 5170 mm | 4790 mm |
| Vehicle Width | 2000 mm | 1900 mm |
| Vehicle Height | 1810 mm | 2000 mm |
| Wheelbase Size | 3030 mm | 2850 mm |
