2003 Infiniti FX vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2003 Infiniti FX would be higher. At 3,497 cc (6 cylinders), 2003 Infiniti FX is equipped with a bigger engine. In terms of performance, 2003 Infiniti FX (276 HP @ 6200 RPM) has 106 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2003 Infiniti FX should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti FX weights approximately 353 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 2003 Infiniti FX 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 2003 Infiniti FX. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2003 Infiniti FX (366 Nm) has 125 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2003 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
2003 Infiniti FX | 2005 Kia Optima | |
Make | Infiniti | Kia |
Model | FX | Optima |
Year Released | 2003 | 2005 |
Body Type | Crossover | Sedan |
Engine Position | Front | Front |
Engine Size | 3497 cc | 2671 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 276 HP | 170 HP |
Engine RPM | 6200 RPM | 4000 RPM |
Torque | 366 Nm | 241 Nm |
Drive Type | Rear | Front |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1840 kg | 1487 kg |
Vehicle Length | 4810 mm | 4730 mm |
Vehicle Width | 1930 mm | 1820 mm |
Vehicle Height | 1660 mm | 1420 mm |
Wheelbase Size | 2860 mm | 2710 mm |