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 Copen is equipped with a bigger engine. In terms of performance, both vehicles can yield 86 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 90 kg more than 2009 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, both vehicles can yield 120 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 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 | 1298 cc | 1297 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 86 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 120 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 72 mm | 72 mm |
| Engine Stroke Size | 79.7 mm | 79.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 180 km/hour | 175 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 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 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 40 L | 40 L |
