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 1,298 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (86 HP @ 6000 RPM) has 19 more horse power than 2009 Daihatsu Copen. (67 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 35 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 (120 Nm @ 3200 RPM) has 19 more torque (in Nm) than 2009 Daihatsu Copen. (101 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. 2009 Daihatsu Sirion has automatic transmission and 2009 Daihatsu Copen has manual transmission. 2009 Daihatsu Copen will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
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 | 659 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 | 101 Nm | 120 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 170 km/hour | 170 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 905 kg | 940 kg |
| Vehicle Length | 3400 mm | 3610 mm |
| Vehicle Width | 1480 mm | 1560 mm |
| Vehicle Height | 1250 mm | 1670 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
| Fuel Consumption Overall | 6.2 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 40 L | 40 L |
