2008 Infiniti FX vs. 2006 Kia Optima
To start off, 2008 Infiniti FX is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 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 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2008 Infiniti FX should accelerate faster than 2006 Kia Optima.
Because 2008 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2006 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 @ 4000 RPM) has 255 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2008 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
2008 Infiniti FX | 2006 Kia Optima | |
Make | Infiniti | Kia |
Model | FX | Optima |
Year Released | 2008 | 2006 |
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 | 5500 RPM |
Torque | 454 Nm | 199 Nm |
Torque RPM | 4000 RPM | 3000 RPM |
Engine Bore Size | 93 mm | 81 mm |
Engine Stroke Size | 83 mm | 88 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 |