2007 Kia Optima vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Kia Optima. In addition, the cost of maintenance, including insurance, on 2007 Kia Optima would be higher. At 3,824 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 165 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 43 kg more than 2007 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2007 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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 911 (400 Nm @ 4600 RPM) has 153 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2009 Porsche 911 | |
| Make | Kia | Porsche |
| Model | Optima | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2654 cc | 3824 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 350 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 247 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 86.7 mm | 96 mm |
| Engine Stroke Size | 75 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1487 kg | 1530 kg |
| Vehicle Length | 4740 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1310 mm |
| Vehicle Height | 1490 mm | 1780 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 62 L | 64 L |
