2009 Chevrolet Optra vs. 2008 Daihatsu Sirion
To start off, 2009 Chevrolet Optra is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2008 Daihatsu Sirion would be higher. At 1,799 cc (4 cylinders), 2009 Chevrolet Optra is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Optra (120 HP @ 5800 RPM) has 51 more horse power than 2008 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2009 Chevrolet Optra should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Optra weights approximately 321 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Chevrolet Optra (166 Nm @ 4000 RPM) has 72 more torque (in Nm) than 2008 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2009 Chevrolet Optra will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2009 Chevrolet Optra | 2008 Daihatsu Sirion | |
| Make | Chevrolet | Daihatsu |
| Model | Optra | Sirion |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 69 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 166 Nm | 94 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 81.6 mm | 71 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 187 km/hour | 160 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 14.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1211 kg | 890 kg |
| Vehicle Length | 4510 mm | 3610 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1560 mm |
| Wheelbase Size | 2610 mm | 2440 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5 L/100km |
| Fuel Tank Capacity | 60 L | 40 L |
