2009 Daihatsu Sirion vs. 2007 Kia Optima
To start off, 2009 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Kia Optima. In addition, the cost of maintenance, including insurance, on 2007 Kia Optima would be higher. At 2,654 cc (6 cylinders), 2007 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 Kia Optima (185 HP @ 6000 RPM) has 99 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2007 Kia Optima should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Optima weights approximately 547 kg more than 2009 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, 2007 Kia Optima (247 Nm @ 4000 RPM) has 126 more torque (in Nm) than 2009 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2007 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
2009 Daihatsu Sirion | 2007 Kia Optima | |
Make | Daihatsu | Kia |
Model | Sirion | Optima |
Year Released | 2009 | 2007 |
Body Type | Hatchback | Sedan |
Engine Position | Front | Front |
Engine Size | 1298 cc | 2654 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 86 HP | 185 HP |
Engine RPM | 6000 RPM | 6000 RPM |
Torque | 121 Nm | 247 Nm |
Torque RPM | 3200 RPM | 4000 RPM |
Engine Bore Size | 72 mm | 86.7 mm |
Engine Stroke Size | 79.7 mm | 75 mm |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Drive Type | Front | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 940 kg | 1487 kg |
Vehicle Length | 3610 mm | 4740 mm |
Vehicle Width | 1670 mm | 1810 mm |
Vehicle Height | 1560 mm | 1490 mm |
Wheelbase Size | 2440 mm | 2730 mm |
Fuel Consumption Overall | 5.8 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 40 L | 62 L |