2009 Infiniti EX vs. 2007 Kia Optima
To start off, 2009 Infiniti EX is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Kia Optima. In addition, the cost of maintenance, including insurance, on 2007 Kia Optima would be higher. At 3,696 cc (6 cylinders), 2009 Infiniti EX is equipped with a bigger engine. In terms of performance, 2009 Infiniti EX (317 HP @ 7000 RPM) has 155 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM). In normal driving conditions, 2009 Infiniti EX should accelerate faster than 2007 Kia Optima.
Because 2009 Infiniti EX is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Infiniti EX (360 Nm @ 5200 RPM) has 138 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4250 RPM). This means 2009 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2009 Infiniti EX has automatic transmission and 2007 Kia Optima has manual transmission. 2007 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti EX will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Infiniti EX | 2007 Kia Optima | |
Make | Infiniti | Kia |
Model | EX | Optima |
Year Released | 2009 | 2007 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 3696 cc | 2359 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 317 HP | 162 HP |
Engine RPM | 7000 RPM | 5800 RPM |
Torque | 360 Nm | 222 Nm |
Torque RPM | 5200 RPM | 4250 RPM |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Length | 4640 mm | 4740 mm |
Vehicle Width | 1810 mm | 1810 mm |
Vehicle Height | 1600 mm | 1490 mm |
Wheelbase Size | 2810 mm | 2730 mm |
Fuel Consumption Overall | 11.2 L/100km | 8.4 L/100km |
Fuel Tank Capacity | 82 L | 62 L |