2007 Daihatsu Sirion vs. 2010 Chevrolet Optra
To start off, 2010 Chevrolet Optra is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2007 Daihatsu Sirion would be higher. At 1,598 cc (4 cylinders), 2010 Chevrolet Optra is equipped with a bigger engine. In terms of performance, 2010 Chevrolet Optra (108 HP) has 22 more horse power than 2007 Daihatsu Sirion. (86 HP) In normal driving conditions, 2010 Chevrolet Optra should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2010 Chevrolet Optra weights approximately 1460 kg more than 2007 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, 2010 Chevrolet Optra (151 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2010 Chevrolet Optra will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 2010 Chevrolet Optra | |
| Make | Daihatsu | Chevrolet |
| Model | Sirion | Optra |
| Year Released | 2007 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 108 HP |
| Torque | 120 Nm | 151 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 79 mm |
| Engine Stroke Size | 79.7 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 180 km/hour | 187 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 925 kg | 2385 kg |
| Vehicle Length | 3610 mm | 4510 mm |
| Vehicle Width | 1670 mm | 1730 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 2610 mm |
| Fuel Consumption Overall | 5 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 40 L | 60 L |
