2003 Buick Rainier vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 6 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 4,701 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (271 HP @ 6000 RPM) has 42 more horse power than 2009 Jeep Commander. (229 HP @ 4500 RPM). In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2009 Jeep Commander. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 205 kg more than 2003 Buick Rainier.
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, 2009 Jeep Commander (410 Nm @ 3600 RPM) has 37 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2003 Buick Rainier | 2009 Jeep Commander | |
| Make | Buick | Jeep |
| Model | Rainier | Commander |
| Year Released | 2003 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 4701 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 229 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 373 Nm | 410 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 102 mm | 86.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2100 kg | 2305 kg |
| Vehicle Length | 4920 mm | 4790 mm |
| Vehicle Width | 1920 mm | 1910 mm |
| Vehicle Height | 1900 mm | 1830 mm |
| Wheelbase Size | 2880 mm | 2790 mm |
| Fuel Tank Capacity | 83 L | 78 L |
