2008 Infiniti FX vs. 2005 Kia Optima
To start off, 2008 Infiniti FX is newer by 3 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 4,494 cc (8 cylinders), 2008 Infiniti FX is equipped with a bigger engine. In terms of performance, 2008 Infiniti FX (320 HP @ 6000 RPM) has 182 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM). In normal driving conditions, 2008 Infiniti FX should accelerate faster than 2005 Kia Optima.
Because 2008 Infiniti FX 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, 2008 Infiniti FX 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, 2008 Infiniti FX (454 Nm) has 255 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2008 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
2008 Infiniti FX | 2005 Kia Optima | |
Make | Infiniti | Kia |
Model | FX | Optima |
Year Released | 2008 | 2005 |
Body Type | Crossover | Sedan |
Engine Position | Front | Front |
Engine Size | 4494 cc | 2360 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 320 HP | 138 HP |
Engine RPM | 6000 RPM | 3800 RPM |
Torque | 454 Nm | 199 Nm |
Engine Bore Size | 93 mm | 87 mm |
Engine Stroke Size | 83 mm | 100 mm |
Drive Type | 4WD | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Length | 4810 mm | 4730 mm |
Vehicle Width | 1930 mm | 1820 mm |
Vehicle Height | 1680 mm | 1420 mm |
Wheelbase Size | 2860 mm | 2710 mm |
Fuel Tank Capacity | 90 L | 65 L |