2012 Infiniti EX vs. 2012 Kia Optima
To start off, both 2012 Infiniti EX and 2012 Kia Optima were released in the same year (2012). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,993 cc (6 cylinders), 2012 Infiniti EX is equipped with a bigger engine. In terms of performance, 2012 Kia Optima (274 HP @ 6000 RPM) has 39 more horse power than 2012 Infiniti EX. (235 HP @ 3750 RPM) In normal driving conditions, 2012 Kia Optima should accelerate faster than 2012 Infiniti EX.
Because 2012 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 2012 Infiniti EX. However, in wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Infiniti EX (550 Nm @ 1750 RPM) has 186 more torque (in Nm) than 2012 Kia Optima. (364 Nm @ 1750 RPM). This means 2012 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2012 Kia Optima.
Compare all specifications:
| 2012 Infiniti EX | 2012 Kia Optima | |
| Make | Infiniti | Kia |
| Model | EX | Optima |
| Year Released | 2012 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 235 HP | 274 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 550 Nm | 364 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | 7-speed shiftable automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4630 mm | 4844 mm |
| Vehicle Width | 1803 mm | 1831 mm |
| Vehicle Height | 1572 mm | 1455 mm |
| Wheelbase Size | 2799 mm | 2797 mm |
| Fuel Tank Capacity | 76 L | 70 L |
