2009 Daihatsu Sirion vs. 2007 Smart ForTwo
To start off, 2009 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Smart ForTwo. In addition, the cost of maintenance, including insurance, on 2007 Smart ForTwo would be higher. At 998 cc (3 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (69 HP @ 6000 RPM) has 9 more horse power than 2007 Smart ForTwo. (60 HP @ 5250 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 2007 Smart ForTwo. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 150 kg more than 2007 Smart ForTwo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Smart ForTwo is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Smart ForTwo. However, in wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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 Smart ForTwo (95 Nm @ 2000 RPM) has 1 more torque (in Nm) than 2009 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2007 Smart ForTwo will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2007 Smart ForTwo has automatic transmission and 2009 Daihatsu Sirion has manual transmission. 2009 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Smart ForTwo will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 2007 Smart ForTwo | |
| Make | Daihatsu | Smart |
| Model | Sirion | ForTwo |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 998 cc | 698 cc |
| Engine Cylinders | 3 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 69 HP | 60 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque | 94 Nm | 95 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 71.1 mm | 66.5 mm |
| Engine Stroke Size | 84 mm | 67 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 13.9 seconds | 15.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 890 kg | 740 kg |
| Vehicle Length | 3610 mm | 2510 mm |
| Vehicle Width | 1670 mm | 1520 mm |
| Vehicle Height | 1560 mm | 1540 mm |
| Wheelbase Size | 2440 mm | 1820 mm |
| Fuel Consumption Overall | 5 L/100km | 4.7 L/100km |
| Fuel Tank Capacity | 40 L | 33 L |
