1998 Buick Regal vs. 2005 Kia Opirus
To start off, 2005 Kia Opirus is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1998 Buick Regal is equipped with a bigger engine. In terms of performance, 1998 Buick Regal (205 HP @ 5200 RPM) has 9 more horse power than 2005 Kia Opirus. (196 HP @ 5500 RPM). In normal driving conditions, 1998 Buick Regal should accelerate faster than 2005 Kia Opirus. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Opirus weights approximately 266 kg more than 1998 Buick Regal.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1998 Buick Regal (312 Nm) has 18 more torque (in Nm) than 2005 Kia Opirus. (294 Nm). This means 1998 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Opirus.
Compare all specifications:
| 1998 Buick Regal | 2005 Kia Opirus | |
| Make | Buick | Kia |
| Model | Regal | Opirus |
| Year Released | 1998 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 196 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 312 Nm | 294 Nm |
| Engine Bore Size | 96.5 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 85.8 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1494 kg | 1760 kg |
| Vehicle Length | 4990 mm | 4960 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2780 mm | 2810 mm |
