2004 Kia Optima vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (351 HP @ 6600 RPM) has 214 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 13 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 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, 2007 Porsche 911 (400 Nm) has 201 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2007 Porsche 911 | |
| Make | Kia | Porsche |
| Model | Optima | 911 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2360 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 351 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 199 Nm | 400 Nm |
| Engine Bore Size | 87.1 mm | 99 mm |
| Engine Stroke Size | 100 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.8:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1488 kg | 1475 kg |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 65 L | 67 L |
