2008 Kia Opirus vs. 2005 Nissan Altima
To start off, 2008 Kia Opirus is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Nissan Altima. In addition, the cost of maintenance, including insurance, on 2005 Nissan Altima would be higher. At 3,497 cc (6 cylinders), 2008 Kia Opirus is equipped with a bigger engine. In terms of performance, 2008 Kia Opirus (200 HP @ 5500 RPM) has 25 more horse power than 2005 Nissan Altima. (175 HP @ 3600 RPM). In normal driving conditions, 2008 Kia Opirus should accelerate faster than 2005 Nissan Altima. With that said, vehicle weight also plays an important factor in acceleration. 2008 Kia Opirus weights approximately 536 kg more than 2005 Nissan Altima. 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, 2008 Kia Opirus (298 Nm) has 54 more torque (in Nm) than 2005 Nissan Altima. (244 Nm). This means 2008 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2005 Nissan Altima.
Compare all specifications:
| 2008 Kia Opirus | 2005 Nissan Altima | |
| Make | Kia | Nissan |
| Model | Opirus | Altima |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 175 HP |
| Engine RPM | 5500 RPM | 3600 RPM |
| Torque | 298 Nm | 244 Nm |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 85.8 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1897 kg | 1361 kg |
| Vehicle Length | 4990 mm | 4890 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1490 mm | 1480 mm |
| Wheelbase Size | 2810 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 76 L |
