2005 Lexus RX vs. 2003 Lexus SC
To start off, 2005 Lexus RX is newer by 2 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 2,999 cc (6 cylinders), 2005 Lexus RX is equipped with a bigger engine. In terms of performance, 2003 Lexus SC (225 HP @ 6000 RPM) has 24 more horse power than 2005 Lexus RX. (201 HP @ 5600 RPM) In normal driving conditions, 2003 Lexus SC should accelerate faster than 2005 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lexus RX weights approximately 435 kg more than 2003 Lexus SC.
Because 2005 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2003 Lexus SC. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Lexus RX (296 Nm @ 4400 RPM) has 6 more torque (in Nm) than 2003 Lexus SC. (290 Nm @ 4800 RPM). This means 2005 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2003 Lexus SC. 2005 Lexus RX has automatic transmission and 2003 Lexus SC has manual transmission. 2003 Lexus SC will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Lexus RX | 2003 Lexus SC | |
| Make | Lexus | Lexus |
| Model | RX | SC |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2997 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 225 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 296 Nm | 290 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 83 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1475 kg |
| Vehicle Length | 4750 mm | 4870 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1350 mm |
| Wheelbase Size | 2730 mm | 2700 mm |
