2009 Daihatsu Sirion vs. 2005 Smart ForFour
To start off, 2009 Daihatsu Sirion is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2005 Smart ForFour would be higher. At 1,495 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (102 HP @ 6000 RPM) has 28 more horse power than 2005 Smart ForFour. (74 HP @ 6000 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 2005 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2005 Smart ForFour weights approximately 59 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2005 Smart ForFour. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Daihatsu Sirion (138 Nm @ 4400 RPM) has 38 more torque (in Nm) than 2005 Smart ForFour. (100 Nm @ 3500 RPM). This means 2009 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart ForFour.
Compare all specifications:
| 2009 Daihatsu Sirion | 2005 Smart ForFour | |
| Make | Daihatsu | Smart |
| Model | Sirion | ForFour |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 74 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 138 Nm | 100 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 75.5 mm |
| Engine Stroke Size | 91.8 mm | 84.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 180 km/hour | 165 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 13.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 906 kg | 965 kg |
| Vehicle Length | 3640 mm | 3760 mm |
| Vehicle Width | 1670 mm | 1690 mm |
| Vehicle Height | 1560 mm | 1460 mm |
| Wheelbase Size | 2440 mm | 2510 mm |
| Fuel Consumption Overall | 6.7 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 40 L | 47 L |
