2002 Buick Regal vs. 2005 Buick Rainier
To start off, 2005 Buick Rainier is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Buick Regal. In addition, the cost of maintenance, including insurance, on 2002 Buick Regal would be higher. At 4,195 cc (6 cylinders), 2005 Buick Rainier is equipped with a bigger engine. In terms of performance, 2005 Buick Rainier (272 HP @ 6000 RPM) has 67 more horse power than 2002 Buick Regal. (205 HP @ 5200 RPM) In normal driving conditions, 2005 Buick Rainier should accelerate faster than 2002 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 535 kg more than 2002 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2002 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Buick Rainier (373 Nm @ 3600 RPM) has 62 more torque (in Nm) than 2002 Buick Regal. (311 Nm @ 4000 RPM). This means 2005 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2002 Buick Regal.
Compare all specifications:
| 2002 Buick Regal | 2005 Buick Rainier | |
| Make | Buick | Buick |
| Model | Regal | Rainier |
| Year Released | 2002 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 272 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 311 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 97 mm | 93 mm |
| Engine Stroke Size | 86 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2095 kg |
| Vehicle Length | 4990 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1440 mm | 1900 mm |
| Wheelbase Size | 2780 mm | 2780 mm |
| Fuel Tank Capacity | 64 L | 83 L |
