2003 Daihatsu Copen 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 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2003 Daihatsu Copen would be higher. At 1,298 cc (4 cylinders), 2011 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2011 Daihatsu Sirion (86 HP @ 6000 RPM) has 19 more horse power than 2003 Daihatsu Copen. (67 HP @ 6000 RPM) In normal driving conditions, 2011 Daihatsu Sirion should accelerate faster than 2003 Daihatsu Copen.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2011 Daihatsu Sirion (121 Nm @ 3200 RPM) has 19 more torque (in Nm) than 2003 Daihatsu Copen. (102 Nm @ 3200 RPM). This means 2011 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Copen.
Compare all specifications:
| 2003 Daihatsu Copen | 2011 Daihatsu Sirion | |
| Make | Daihatsu | Daihatsu |
| Model | Copen | Sirion |
| Year Released | 2003 | 2011 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 657 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 67 HP | 86 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 102 Nm | 121 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 61 mm | 72 mm |
| Engine Stroke Size | 56.4 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
