2007 Kia Optima vs. 2013 Infiniti M
To start off, 2013 Infiniti M is newer by 6 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 (4 cylinders), 2013 Infiniti M is equipped with a bigger engine. In terms of performance, 2013 Infiniti M (298 HP @ 6800 RPM) has 136 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2013 Infiniti M should accelerate faster than 2007 Kia Optima.
Because 2013 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti M 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 M (350 Nm @ 5000 RPM) has 128 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4250 RPM). This means 2013 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2013 Infiniti M | |
| Make | Kia | Infiniti |
| Model | Optima | M |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 298 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 222 Nm | 350 Nm |
| Torque RPM | 4250 RPM | 5000 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4740 mm | 4945 mm |
| Vehicle Width | 1810 mm | 1845 mm |
| Vehicle Height | 1490 mm | 1515 mm |
| Wheelbase Size | 2730 mm | 2900 mm |
| Fuel Consumption Highway | 6.9 L/100km | 6.1 L/100km |
| Fuel Consumption City | 9.8 L/100km | 7.5 L/100km |
