2007 Daihatsu Copen vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2007 Daihatsu Copen would be higher. At 1,298 cc (4 cylinders), 2007 Daihatsu Copen is equipped with a bigger engine. In terms of performance, 2007 Daihatsu Copen (86 HP @ 6000 RPM) has 29 more horse power than 2008 Daihatsu Sirion. (57 HP @ 6000 RPM). In normal driving conditions, 2007 Daihatsu Copen should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Daihatsu Sirion weights approximately 40 kg more than 2007 Daihatsu Copen.
Because 2007 Daihatsu Copen is four wheel drive (4WD), it will have significant more traction and grip than 2008 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Copen 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, 2007 Daihatsu Copen (120 Nm @ 4400 RPM) has 32 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2007 Daihatsu Copen will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Copen | 2008 Daihatsu Sirion | |
| Make | Daihatsu | Daihatsu |
| Model | Copen | Sirion |
| Year Released | 2007 | 2008 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 989 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 57 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 88 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Bore Size | 72 mm | 72 mm |
| Engine Stroke Size | 79.7 mm | 81 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 9.5 seconds | 15.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 890 kg |
| Vehicle Length | 3400 mm | 3700 mm |
| Vehicle Width | 1480 mm | 1600 mm |
| Vehicle Height | 1250 mm | 1460 mm |
| Wheelbase Size | 2230 mm | 2350 mm |
| Fuel Consumption Overall | 7.7 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 40 L | 40 L |
