2003 Lexus SC 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 Lexus SC. In addition, the cost of maintenance, including insurance, on 2003 Lexus SC would be higher. At 4,294 cc (8 cylinders), 2003 Lexus SC is equipped with a bigger engine. In terms of performance, 2003 Lexus SC (290 HP @ 5600 RPM) has 64 more horse power than 2006 Lexus RX. (226 HP @ 5600 RPM). In normal driving conditions, 2003 Lexus SC should accelerate faster than 2006 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lexus SC weights approximately 200 kg more than 2006 Lexus RX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Lexus SC 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 2003 Lexus SC. However, in wet, icy, snow, or gravel driving conditions, 2006 Lexus RX, 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, 2003 Lexus SC (447 Nm @ 3500 RPM) has 124 more torque (in Nm) than 2006 Lexus RX. (323 Nm @ 3600 RPM). This means 2003 Lexus SC will have an easier job in driving up hills or pulling heavy equipment than 2006 Lexus RX.
Compare all specifications:
| 2003 Lexus SC | 2006 Lexus RX | |
| Make | Lexus | Lexus |
| Model | SC | RX |
| Year Released | 2003 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4294 cc | 3314 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 290 HP | 226 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 447 Nm | 323 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 91 mm | 91.9 mm |
| Engine Stroke Size | 82.5 mm | 83.1 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1540 kg |
| Vehicle Length | 4520 mm | 4740 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1690 mm |
| Wheelbase Size | 2630 mm | 2720 mm |
| Fuel Tank Capacity | 66 L | 66 L |
