2010 Infiniti FX vs. 1999 Kia Sephia
To start off, 2010 Infiniti FX is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Kia Sephia. In addition, the cost of maintenance, including insurance, on 1999 Kia Sephia would be higher. At 3,496 cc (6 cylinders), 2010 Infiniti FX is equipped with a bigger engine. In terms of performance, 2010 Infiniti FX (303 HP @ 6800 RPM) has 203 more horse power than 1999 Kia Sephia. (100 HP @ 5500 RPM). In normal driving conditions, 2010 Infiniti FX should accelerate faster than 1999 Kia Sephia. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti FX weights approximately 624 kg more than 1999 Kia Sephia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Infiniti FX 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 2010 Infiniti FX. However, in wet, icy, snow, or gravel driving conditions, 1999 Kia Sephia, 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, 2010 Infiniti FX (355 Nm @ 4800 RPM) has 207 more torque (in Nm) than 1999 Kia Sephia. (148 Nm @ 4500 RPM). This means 2010 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1999 Kia Sephia.
Compare all specifications:
| 2010 Infiniti FX | 1999 Kia Sephia | |
| Make | Infiniti | Kia |
| Model | FX | Sephia |
| Year Released | 2010 | 1999 |
| Body Type | Crossover | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3496 cc | 1594 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 303 HP | 100 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 355 Nm | 148 Nm |
| Torque RPM | 4800 RPM | 4500 RPM |
| Engine Bore Size | 95.5 mm | 78 mm |
| Engine Stroke Size | 81 mm | 83.3 mm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1719 kg | 1095 kg |
| Vehicle Length | 4870 mm | 4520 mm |
| Vehicle Width | 1930 mm | 1730 mm |
| Vehicle Height | 1660 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
