2005 Kia Optima vs. 2005 Infiniti I
To start off, both 2005 Kia Optima and 2005 Infiniti I were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,960 cc (6 cylinders), 2005 Infiniti I is equipped with a bigger engine. In terms of performance, 2005 Infiniti I (224 HP @ 5600 RPM) has 54 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2005 Infiniti I should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti I weights approximately 23 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Infiniti I (271 Nm) has 30 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2005 Infiniti I will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2005 Infiniti I | |
| Make | Kia | Infiniti |
| Model | Optima | I |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2960 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 224 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 241 Nm | 271 Nm |
| Drive Type | Front | Front |
| Vehicle Weight | 1487 kg | 1510 kg |
| Vehicle Length | 4730 mm | 4930 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2760 mm |
