2003 Buick Rainier vs. 2006 Jeep Grand Cherokee
To start off, 2006 Jeep Grand Cherokee is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 5,652 cc (8 cylinders), 2006 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2006 Jeep Grand Cherokee (322 HP @ 5000 RPM) has 51 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM) In normal driving conditions, 2006 Jeep Grand Cherokee should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Grand Cherokee weights approximately 150 kg more than 2003 Buick Rainier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Jeep Grand Cherokee (500 Nm @ 4000 RPM) has 127 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2006 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2003 Buick Rainier | 2006 Jeep Grand Cherokee | |
| Make | Buick | Jeep |
| Model | Rainier | Grand Cherokee |
| Year Released | 2003 | 2006 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5652 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 322 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 373 Nm | 500 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 99.5 mm |
| Engine Stroke Size | 102 mm | 90.9 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2100 kg | 2250 kg |
| Vehicle Length | 4920 mm | 4760 mm |
| Vehicle Width | 1920 mm | 1880 mm |
| Vehicle Height | 1900 mm | 1750 mm |
| Wheelbase Size | 2880 mm | 2790 mm |
| Fuel Tank Capacity | 83 L | 78 L |
