2006 GMC Sierra vs. 2004 Hummer H1
To start off, 2006 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Hummer H1. In addition, the cost of maintenance, including insurance, on 2004 Hummer H1 would be higher. At 6,504 cc (8 cylinders), 2004 Hummer H1 is equipped with a bigger engine. In terms of performance, 2004 Hummer H1 (205 HP) has 10 more horse power than 2006 GMC Sierra. (195 HP) In normal driving conditions, 2004 Hummer H1 should accelerate faster than 2006 GMC Sierra.
Because 2004 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 2006 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2004 Hummer H1 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, 2004 Hummer H1 (597 Nm) has 243 more torque (in Nm) than 2006 GMC Sierra. (354 Nm). This means 2004 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 2004 Hummer H1 | |
| Make | GMC | Hummer |
| Model | Sierra | H1 |
| Year Released | 2006 | 2004 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 4294 cc | 6504 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 195 HP | 205 HP |
| Torque | 354 Nm | 597 Nm |
| Engine Bore Size | 102 mm | 103 mm |
| Engine Stroke Size | 88 mm | 97 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 6 seats | 4 seats |
| Vehicle Length | 5850 mm | 4690 mm |
| Vehicle Width | 2000 mm | 2200 mm |
| Vehicle Height | 1850 mm | 1960 mm |
| Wheelbase Size | 3650 mm | 3310 mm |
