1998 Buick Signia vs. 2007 Kia Opirus
To start off, 2007 Kia Opirus is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Buick Signia. In addition, the cost of maintenance, including insurance, on 1998 Buick Signia would be higher. At 3,800 cc (6 cylinders), 1998 Buick Signia is equipped with a bigger engine. In terms of performance, 1998 Buick Signia (238 HP @ 5200 RPM) has 38 more horse power than 2007 Kia Opirus. (200 HP @ 5500 RPM). In normal driving conditions, 1998 Buick Signia should accelerate faster than 2007 Kia Opirus. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Opirus weights approximately 157 kg more than 1998 Buick Signia.
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 Signia (387 Nm @ 3600 RPM) has 89 more torque (in Nm) than 2007 Kia Opirus. (298 Nm @ 3500 RPM). This means 1998 Buick Signia will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Opirus.
Compare all specifications:
| 1998 Buick Signia | 2007 Kia Opirus | |
| Make | Buick | Kia |
| Model | Signia | Opirus |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 3495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 238 HP | 200 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 387 Nm | 298 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1740 kg | 1897 kg |
| Vehicle Length | 4710 mm | 4990 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1550 mm | 1490 mm |
| Wheelbase Size | 2860 mm | 2810 mm |
