1999 Kia Sephia vs. 2006 Lexus RX
To start off, 2006 Lexus RX is newer by 7 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 2,995 cc (6 cylinders), 2006 Lexus RX is equipped with a bigger engine. In terms of performance, 2006 Lexus RX (201 HP @ 5600 RPM) has 101 more horse power than 1999 Kia Sephia. (100 HP @ 5500 RPM) In normal driving conditions, 2006 Lexus RX should accelerate faster than 1999 Kia Sephia. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lexus RX weights approximately 445 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 2006 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 1999 Kia Sephia. In wet, icy, snow, or gravel driving conditions, 2006 Lexus RX 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, 2006 Lexus RX (283 Nm @ 4500 RPM) has 135 more torque (in Nm) than 1999 Kia Sephia. (148 Nm @ 4500 RPM). This means 2006 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1999 Kia Sephia. 2006 Lexus RX has automatic transmission and 1999 Kia Sephia has manual transmission. 1999 Kia Sephia will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Kia Sephia | 2006 Lexus RX | |
| Make | Kia | Lexus |
| Model | Sephia | RX |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1594 cc | 2995 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 201 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 148 Nm | 283 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 1540 kg |
| Vehicle Length | 4520 mm | 4750 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2570 mm | 2720 mm |
