2007 Daihatsu Sirion vs. 2004 Kia Optima
To start off, 2007 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (137 HP @ 4000 RPM) has 68 more horse power than 2007 Daihatsu Sirion. (69 HP @ 6000 RPM) In normal driving conditions, 2004 Kia Optima should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 594 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, 2004 Kia Optima (199 Nm) has 105 more torque (in Nm) than 2007 Daihatsu Sirion. (94 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
2007 Daihatsu Sirion | 2004 Kia Optima | |
Make | Daihatsu | Kia |
Model | Sirion | Optima |
Year Released | 2007 | 2004 |
Body Type | Hatchback | Sedan |
Engine Position | Front | Front |
Engine Size | 998 cc | 2360 cc |
Engine Cylinders | 3 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 69 HP | 137 HP |
Engine RPM | 6000 RPM | 4000 RPM |
Torque | 94 Nm | 199 Nm |
Engine Bore Size | 71 mm | 87.1 mm |
Engine Stroke Size | 84 mm | 100 mm |
Engine Compression Ratio | 10.5:1 | 10.0:1 |
Drive Type | Front | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 894 kg | 1488 kg |
Vehicle Length | 3610 mm | 4730 mm |
Vehicle Width | 1670 mm | 1820 mm |
Vehicle Height | 1560 mm | 1420 mm |
Wheelbase Size | 2440 mm | 2710 mm |
Fuel Consumption Overall | 5 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 40 L | 65 L |