2009 Kia Optima vs. 2011 Infiniti EX
To start off, 2011 Infiniti EX is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Kia Optima. In addition, the cost of maintenance, including insurance, on 2009 Kia Optima would be higher. At 3,500 cc (6 cylinders), 2011 Infiniti EX is equipped with a bigger engine. In terms of performance, 2011 Infiniti EX (297 HP @ 6800 RPM) has 124 more horse power than 2009 Kia Optima. (173 HP @ 6000 RPM) In normal driving conditions, 2011 Infiniti EX should accelerate faster than 2009 Kia Optima.
Because 2011 Infiniti EX 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 2011 Infiniti EX. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2011 Infiniti EX (343 Nm @ 4800 RPM) has 174 more torque (in Nm) than 2009 Kia Optima. (169 Nm @ 4000 RPM). This means 2011 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima. 2011 Infiniti EX has automatic transmission and 2009 Kia Optima has manual transmission. 2009 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti EX will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Kia Optima | 2011 Infiniti EX | |
Make | Kia | Infiniti |
Model | Optima | EX |
Year Released | 2009 | 2011 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2399 cc | 3500 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 173 HP | 297 HP |
Engine RPM | 6000 RPM | 6800 RPM |
Torque | 169 Nm | 343 Nm |
Torque RPM | 4000 RPM | 4800 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4810 mm | 4630 mm |
Vehicle Width | 1810 mm | 1803 mm |
Vehicle Height | 1490 mm | 1572 mm |
Wheelbase Size | 2730 mm | 2799 mm |
Fuel Consumption | 7.4 L/100km | 9.8 L/100km |
Fuel Consumption City | 10.7 L/100km | 13.8 L/100km |
Fuel Tank Capacity | 62 L | 76 L |