2006 Kia Optima vs. 2013 Infiniti EX
To start off, 2013 Infiniti EX is newer by 7 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 3,696 cc (6 cylinders), 2013 Infiniti EX is equipped with a bigger engine. In terms of performance, 2013 Infiniti EX (321 HP @ 7000 RPM) has 151 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM) In normal driving conditions, 2013 Infiniti EX should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti EX weights approximately 307 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti EX is all wheel drive (AWD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti EX 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, 2013 Infiniti EX (362 Nm @ 5200 RPM) has 117 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2013 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
2006 Kia Optima | 2013 Infiniti EX | |
Make | Kia | Infiniti |
Model | Optima | EX |
Year Released | 2006 | 2013 |
Body Type | Sedan | Crossover |
Engine Position | Front | Front |
Engine Size | 2671 cc | 3696 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 170 HP | 321 HP |
Engine RPM | 6000 RPM | 7000 RPM |
Torque | 245 Nm | 362 Nm |
Torque RPM | 4000 RPM | 5200 RPM |
Engine Bore Size | 86.7 mm | 95 mm |
Engine Stroke Size | 75 mm | 86 mm |
Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
Drive Type | Front | AWD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1488 kg | 1795 kg |
Vehicle Length | 4730 mm | 4631 mm |
Vehicle Width | 1820 mm | 1803 mm |
Vehicle Height | 1420 mm | 1589 mm |
Wheelbase Size | 2710 mm | 2850 mm |
Fuel Consumption Highway | 8.7 L/100km | 8.5 L/100km |
Fuel Consumption City | 11.8 L/100km | 12.3 L/100km |