2009 Daihatsu Copen vs. 2009 Daihatsu Sirion
To start off, both 2009 Daihatsu Copen and 2009 Daihatsu Sirion were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,495 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (102 HP @ 6000 RPM) has 16 more horse power than 2009 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 2009 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 55 kg more than 2009 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2009 Daihatsu Copen. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Daihatsu Sirion (132 Nm @ 4400 RPM) has 12 more torque (in Nm) than 2009 Daihatsu Copen. (120 Nm @ 3200 RPM). This means 2009 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Copen.
Compare all specifications:
| 2009 Daihatsu Copen | 2009 Daihatsu Sirion | |
| Make | Daihatsu | Daihatsu |
| Model | Copen | Sirion |
| Year Released | 2009 | 2009 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1495 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 102 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 132 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 72 mm | 72 mm |
| Engine Stroke Size | 79.7 mm | 91.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 180 km/hour | 185 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 10.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 905 kg |
| Vehicle Length | 3400 mm | 3640 mm |
| Vehicle Width | 1480 mm | 1670 mm |
| Vehicle Height | 1250 mm | 1560 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
| Fuel Consumption Overall | 6 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 40 L | 40 L |
