2004 Kia Opirus vs. 2006 Lincoln Navigator
To start off, 2006 Lincoln Navigator is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2004 Kia Opirus would be higher. At 5,408 cc (8 cylinders), 2006 Lincoln Navigator is equipped with a bigger engine. In terms of performance, 2006 Lincoln Navigator (300 HP @ 5000 RPM) has 104 more horse power than 2004 Kia Opirus. (196 HP @ 5500 RPM) In normal driving conditions, 2006 Lincoln Navigator should accelerate faster than 2004 Kia Opirus. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lincoln Navigator weights approximately 598 kg more than 2004 Kia Opirus. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Lincoln Navigator is four wheel drive (4WD), it will have significant more traction and grip than 2004 Kia Opirus. In wet, icy, snow, or gravel driving conditions, 2006 Lincoln Navigator 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, 2006 Lincoln Navigator (495 Nm @ 3750 RPM) has 201 more torque (in Nm) than 2004 Kia Opirus. (294 Nm @ 3500 RPM). This means 2006 Lincoln Navigator will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Opirus.
Compare all specifications:
| 2004 Kia Opirus | 2006 Lincoln Navigator | |
| Make | Kia | Lincoln |
| Model | Opirus | Navigator |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 5408 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 196 HP | 300 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 294 Nm | 495 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 85.8 mm | 106 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 2358 kg |
| Vehicle Length | 4960 mm | 5280 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1490 mm | 1980 mm |
| Wheelbase Size | 2810 mm | 3020 mm |
