2006 Lexus LS vs. 2003 Lexus RX
To start off, 2006 Lexus LS is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Lexus RX. In addition, the cost of maintenance, including insurance, on 2003 Lexus RX would be higher. At 4,294 cc (8 cylinders), 2006 Lexus LS is equipped with a bigger engine. In terms of performance, 2006 Lexus LS (278 HP @ 5600 RPM) has 80 more horse power than 2003 Lexus RX. (198 HP @ 5600 RPM). In normal driving conditions, 2006 Lexus LS should accelerate faster than 2003 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lexus RX weights approximately 100 kg more than 2006 Lexus LS.
Because 2003 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2006 Lexus LS. In wet, icy, snow, or gravel driving conditions, 2003 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 LS (423 Nm @ 3400 RPM) has 139 more torque (in Nm) than 2003 Lexus RX. (284 Nm @ 4400 RPM). This means 2006 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2003 Lexus RX.
Compare all specifications:
| 2006 Lexus LS | 2003 Lexus RX | |
| Make | Lexus | Lexus |
| Model | LS | RX |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4294 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 278 HP | 198 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 423 Nm | 284 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1865 kg |
| Vehicle Length | 5020 mm | 4590 mm |
| Vehicle Width | 1840 mm | 1820 mm |
| Vehicle Height | 1500 mm | 1670 mm |
| Wheelbase Size | 2930 mm | 2620 mm |
