2003 Buick Rainier vs. 2004 Pontiac Sunfire
To start off, 2004 Pontiac Sunfire is newer by 1 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 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (271 HP @ 6000 RPM) has 131 more horse power than 2004 Pontiac Sunfire. (140 HP @ 5200 RPM). In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2004 Pontiac Sunfire. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 845 kg more than 2004 Pontiac Sunfire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2004 Pontiac Sunfire. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2003 Buick Rainier (373 Nm) has 170 more torque (in Nm) than 2004 Pontiac Sunfire. (203 Nm). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac Sunfire.
Compare all specifications:
| 2003 Buick Rainier | 2004 Pontiac Sunfire | |
| Make | Buick | Pontiac |
| Model | Rainier | Sunfire |
| Year Released | 2003 | 2004 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 2195 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 140 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 373 Nm | 203 Nm |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 102 mm | 94 mm |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2100 kg | 1255 kg |
| Vehicle Length | 4920 mm | 4630 mm |
| Vehicle Width | 1920 mm | 1740 mm |
| Vehicle Height | 1900 mm | 1350 mm |
| Wheelbase Size | 2880 mm | 2650 mm |
| Fuel Tank Capacity | 83 L | 53 L |
