2003 Proton 400 vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Proton 400. In addition, the cost of maintenance, including insurance, on 2003 Proton 400 would be higher. At 1,299 cc (4 cylinders), 2003 Proton 400 is equipped with a bigger engine. In terms of performance, 2003 Proton 400 (74 HP @ 6000 RPM) has 5 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2003 Proton 400 should accelerate faster than 2011 Daihatsu Sirion.
Because 2011 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2003 Proton 400. In wet, icy, snow, or gravel driving conditions, 2011 Daihatsu Sirion 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, 2003 Proton 400 (108 Nm @ 3000 RPM) has 14 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2003 Proton 400 will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 2003 Proton 400 | 2011 Daihatsu Sirion | |
| Make | Proton | Daihatsu |
| Model | 400 | Sirion |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1299 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 74 HP | 69 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 108 Nm | 94 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
