2008 Daihatsu Sirion vs. 2006 Smart ForFour
To start off, 2008 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2006 Smart ForFour would be higher. At 1,124 cc (3 cylinders), 2006 Smart ForFour is equipped with a bigger engine. In terms of performance, 2006 Smart ForFour (63 HP) has 6 more horse power than 2008 Daihatsu Sirion. (57 HP) In normal driving conditions, 2006 Smart ForFour should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Smart ForFour weights approximately 76 kg more than 2008 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, 2006 Smart ForFour (92 Nm @ 2500 RPM) has 4 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2006 Smart ForFour will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2006 Smart ForFour has automatic transmission and 2008 Daihatsu Sirion has manual transmission. 2008 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Smart ForFour will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Daihatsu Sirion | 2006 Smart ForFour | |
| Make | Daihatsu | Smart |
| Model | Sirion | ForFour |
| Year Released | 2008 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1124 cc |
| Engine Cylinders | 3 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 57 HP | 63 HP |
| Torque | 88 Nm | 92 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 72 mm | 75.5 mm |
| Engine Stroke Size | 81 mm | 84.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 145 km/hour | 158 km/hour |
| Acceleration 0-100mph | 15.1 seconds | 15.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 890 kg | 966 kg |
| Vehicle Length | 3700 mm | 3760 mm |
| Vehicle Width | 1600 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2350 mm | 2510 mm |
| Fuel Consumption Overall | 5.4 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 40 L | 47 L |
