1999 Infiniti I vs. 2004 Kia Optima
To start off, 2004 Kia Optima is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Infiniti I. In addition, the cost of maintenance, including insurance, on 1999 Infiniti I would be higher. At 2,960 cc (6 cylinders), 1999 Infiniti I is equipped with a bigger engine. In terms of performance, 1999 Infiniti I (224 HP @ 5600 RPM) has 54 more horse power than 2004 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 1999 Infiniti I should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti I weights approximately 23 kg more than 2004 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, 1999 Infiniti I (270 Nm) has 25 more torque (in Nm) than 2004 Kia Optima. (245 Nm). This means 1999 Infiniti I will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 1999 Infiniti I | 2004 Kia Optima | |
| Make | Infiniti | Kia |
| Model | I | Optima |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2960 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 224 HP | 170 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 270 Nm | 245 Nm |
| Drive Type | Front | Front |
| Vehicle Weight | 1510 kg | 1487 kg |
| Vehicle Length | 4930 mm | 4730 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2760 mm | 2720 mm |
