1999 Daihatsu Sirion vs. 2005 Kia Opirus
To start off, 2005 Kia Opirus is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 3,497 cc (6 cylinders), 2005 Kia Opirus is equipped with a bigger engine. In terms of performance, 2005 Kia Opirus (196 HP @ 5500 RPM) has 143 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 2005 Kia Opirus should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Opirus weights approximately 870 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Opirus. In wet, icy, snow, or gravel driving conditions, 1999 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, 2005 Kia Opirus (294 Nm @ 3500 RPM) has 206 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2005 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion. 2005 Kia Opirus has automatic transmission and 1999 Daihatsu Sirion has manual transmission. 1999 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Daihatsu Sirion | 2005 Kia Opirus | |
| Make | Daihatsu | Kia |
| Model | Sirion | Opirus |
| Year Released | 1999 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 988 cc | 3497 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 53 HP | 196 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 88 Nm | 294 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Bore Size | 71.9 mm | 93 mm |
| Engine Stroke Size | 81 mm | 85.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 890 kg | 1760 kg |
| Vehicle Length | 3680 mm | 4960 mm |
| Vehicle Width | 1600 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1490 mm |
| Wheelbase Size | 2350 mm | 2810 mm |
