2003 Buick Rainier vs. 2009 Cadillac SRX
To start off, 2009 Cadillac SRX 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 4,565 cc (8 cylinders), 2009 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2009 Cadillac SRX (321 HP @ 6400 RPM) has 50 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM) In normal driving conditions, 2009 Cadillac SRX should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac SRX weights approximately 26 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, 2009 Cadillac SRX (427 Nm @ 4400 RPM) has 54 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2009 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2003 Buick Rainier | 2009 Cadillac SRX | |
| Make | Buick | Cadillac |
| Model | Rainier | SRX |
| Year Released | 2003 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 321 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 373 Nm | 427 Nm |
| Torque RPM | 3600 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 102 mm | 84 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 | 2126 kg |
| Vehicle Length | 4920 mm | 4960 mm |
| Vehicle Width | 1920 mm | 1850 mm |
| Vehicle Height | 1900 mm | 1730 mm |
| Wheelbase Size | 2880 mm | 2960 mm |
| Fuel Tank Capacity | 83 L | 76 L |
