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 1,298 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (86 HP @ 6000 RPM) has 12 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 25 kg more than 2009 Daihatsu Sirion.
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, 2009 Daihatsu Sirion (121 Nm @ 3200 RPM) has 20 more torque (in Nm) than 2005 Smart ForFour. (101 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 | 1298 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 74 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 121 Nm | 101 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 75.5 mm |
| Engine Stroke Size | 79.7 mm | 84.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 170 km/hour | 165 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 13.4 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 940 kg | 965 kg |
| Vehicle Length | 3610 mm | 3760 mm |
| Vehicle Width | 1670 mm | 1690 mm |
| Vehicle Height | 1560 mm | 1460 mm |
| Wheelbase Size | 2440 mm | 2510 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 40 L | 47 L |
