2006 Hummer H3 vs. 2003 Jeep Grand Cherokee
To start off, 2006 Hummer H3 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2003 Jeep Grand Cherokee would be higher. At 4,701 cc (8 cylinders), 2003 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2003 Jeep Grand Cherokee (235 HP @ 4800 RPM) has 15 more horse power than 2006 Hummer H3. (220 HP @ 5600 RPM) In normal driving conditions, 2003 Jeep Grand Cherokee should accelerate faster than 2006 Hummer H3.
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, 2003 Jeep Grand Cherokee (408 Nm @ 3200 RPM) has 103 more torque (in Nm) than 2006 Hummer H3. (305 Nm @ 2800 RPM). This means 2003 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 2006 Hummer H3.
Compare all specifications:
| 2006 Hummer H3 | 2003 Jeep Grand Cherokee | |
| Make | Hummer | Jeep |
| Model | H3 | Grand Cherokee |
| Year Released | 2006 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 4701 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 220 HP | 235 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 305 Nm | 408 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4830 mm | 4620 mm |
| Vehicle Width | 2180 mm | 1850 mm |
| Vehicle Height | 2020 mm | 1770 mm |
| Wheelbase Size | 3120 mm | 2700 mm |
