2008 Lexus IS vs. 2004 Proton 400
To start off, 2008 Lexus IS is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Proton 400. In addition, the cost of maintenance, including insurance, on 2004 Proton 400 would be higher. At 2,501 cc (6 cylinders), 2008 Lexus IS is equipped with a bigger engine. In terms of performance, 2008 Lexus IS (204 HP @ 6400 RPM) has 130 more horse power than 2004 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2008 Lexus IS should accelerate faster than 2004 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2008 Lexus IS weights approximately 770 kg more than 2004 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2004 Proton 400. In wet, icy, snow, or gravel driving conditions, 2008 Lexus IS 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, 2008 Lexus IS (251 Nm @ 4800 RPM) has 143 more torque (in Nm) than 2004 Proton 400. (108 Nm @ 3000 RPM). This means 2008 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2004 Proton 400.
Compare all specifications:
| 2008 Lexus IS | 2004 Proton 400 | |
| Make | Lexus | Proton |
| Model | IS | 400 |
| Year Released | 2008 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2501 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 204 HP | 74 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 251 Nm | 108 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1740 kg | 970 kg |
| Vehicle Length | 4580 mm | 4370 mm |
| Vehicle Width | 1810 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2740 mm | 2510 mm |
