2009 Kia Opirus vs. 2011 Buick Regal
To start off, 2011 Buick Regal is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2009 Kia Opirus would be higher. At 3,497 cc (6 cylinders), 2009 Kia Opirus is equipped with a bigger engine. In terms of performance, 2009 Kia Opirus (200 HP @ 5500 RPM) has 18 more horse power than 2011 Buick Regal. (182 HP @ 6700 RPM). In normal driving conditions, 2009 Kia Opirus should accelerate faster than 2011 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Opirus weights approximately 264 kg more than 2011 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Kia Opirus (298 Nm @ 3500 RPM) has 65 more torque (in Nm) than 2011 Buick Regal. (233 Nm @ 4900 RPM). This means 2009 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2011 Buick Regal.
Compare all specifications:
| 2009 Kia Opirus | 2011 Buick Regal | |
| Make | Kia | Buick |
| Model | Opirus | Regal |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 182 HP |
| Engine RPM | 5500 RPM | 6700 RPM |
| Torque | 298 Nm | 233 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1897 kg | 1633 kg |
| Vehicle Length | 4990 mm | 4831 mm |
| Vehicle Width | 1860 mm | 1857 mm |
| Vehicle Height | 1490 mm | 1483 mm |
| Wheelbase Size | 2810 mm | 2738 mm |
| Fuel Tank Capacity | 70 L | 68 L |
