2005 Kia Optima vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (399 HP @ 6500 RPM) has 229 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 137 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne 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, 2009 Porsche Cayenne 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, 2009 Porsche Cayenne (500 Nm) has 259 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2009 Porsche Cayenne | |
| Make | Kia | Porsche |
| Model | Optima | Cayenne |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4806 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 399 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 241 Nm | 500 Nm |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 75 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 12.5:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 1350 kg |
| Vehicle Length | 4730 mm | 4800 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1930 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
| Fuel Consumption Overall | 10.4 L/100km | 15.1 L/100km |
| Fuel Tank Capacity | 65 L | 100 L |
