2005 Kia Optima vs. 2005 Nissan Armada
To start off, both 2005 Kia Optima and 2005 Nissan Armada were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,555 cc (8 cylinders), 2005 Nissan Armada is equipped with a bigger engine. In terms of performance, 2005 Nissan Armada (305 HP @ 3600 RPM) has 135 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2005 Nissan Armada should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Nissan Armada weights approximately 989 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Nissan Armada is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2005 Nissan Armada 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, 2005 Nissan Armada (522 Nm) has 281 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2005 Nissan Armada will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2005 Nissan Armada | |
| Make | Kia | Nissan |
| Model | Optima | Armada |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 305 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 241 Nm | 522 Nm |
| Engine Bore Size | 87 mm | 98 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 2476 kg |
| Vehicle Length | 4730 mm | 5260 mm |
| Vehicle Width | 1820 mm | 2010 mm |
| Vehicle Height | 1420 mm | 2010 mm |
| Wheelbase Size | 2710 mm | 3140 mm |
| Fuel Consumption | 8.9 L/100km | 13.1 L/100km |
| Fuel Consumption City | 11.9 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 106 L |
