2008 Hummer H3 vs. 2003 Jeep Grand Cherokee
To start off, 2008 Hummer H3 is newer by 5 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 3,960 cc (6 cylinders), 2003 Jeep Grand Cherokee is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H3 weights approximately 515 kg more than 2003 Jeep Grand Cherokee.
Because 2008 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Jeep Grand Cherokee. In wet, icy, snow, or gravel driving conditions, 2008 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. Let's talk about torque, 2008 Hummer H3 (328 Nm @ 4600 RPM) has 16 more torque (in Nm) than 2003 Jeep Grand Cherokee. (312 Nm @ 3000 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jeep Grand Cherokee.
Compare all specifications:
| 2008 Hummer H3 | 2003 Jeep Grand Cherokee | |
| Make | Hummer | Jeep |
| Model | H3 | Grand Cherokee |
| Year Released | 2008 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 3960 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 0 HP | 195 HP |
| Torque | 328 Nm | 312 Nm |
| Torque RPM | 4600 RPM | 3000 RPM |
| Engine Bore Size | 95.6 mm | 98.3 mm |
| Engine Stroke Size | 102 mm | 86.6 mm |
| Engine Compression Ratio | 10.0:1 | 8.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2231 kg | 1716 kg |
| Vehicle Length | 4750 mm | 4620 mm |
| Vehicle Height | 2020 mm | 1770 mm |
| Wheelbase Size | 2850 mm | 2700 mm |
