2003 Kia Sorento vs. 2006 Lexus RX
To start off, 2006 Lexus RX is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Kia Sorento. In addition, the cost of maintenance, including insurance, on 2003 Kia Sorento would be higher. At 3,489 cc (6 cylinders), 2003 Kia Sorento is equipped with a bigger engine. In terms of performance, 2006 Lexus RX (223 HP @ 5600 RPM) has 31 more horse power than 2003 Kia Sorento. (192 HP @ 5750 RPM) In normal driving conditions, 2006 Lexus RX should accelerate faster than 2003 Kia Sorento. With that said, vehicle weight also plays an important factor in acceleration. 2003 Kia Sorento weights approximately 450 kg more than 2006 Lexus RX.
Because 2003 Kia Sorento is four wheel drive (4WD), it will have significant more traction and grip than 2006 Lexus RX. In wet, icy, snow, or gravel driving conditions, 2003 Kia Sorento 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 (323 Nm @ 3600 RPM) has 13 more torque (in Nm) than 2003 Kia Sorento. (310 Nm @ 3000 RPM). This means 2006 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2003 Kia Sorento.
Compare all specifications:
| 2003 Kia Sorento | 2006 Lexus RX | |
| Make | Kia | Lexus |
| Model | Sorento | RX |
| Year Released | 2003 | 2006 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3489 cc | 3310 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 192 HP | 223 HP |
| Engine RPM | 5750 RPM | 5600 RPM |
| Torque | 310 Nm | 323 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.8:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1990 kg | 1540 kg |
| Vehicle Length | 4500 mm | 4740 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1710 mm | 1690 mm |
| Wheelbase Size | 2670 mm | 2720 mm |
| Fuel Tank Capacity | 80 L | 73 L |
