2001 Daihatsu Sirion vs. 2006 Smart ForFour
To start off, 2006 Smart ForFour is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 1,298 cc (4 cylinders), 2001 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2001 Daihatsu Sirion (72 HP) has 9 more horse power than 2006 Smart ForFour. (63 HP). In normal driving conditions, 2001 Daihatsu Sirion should accelerate faster than 2006 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2006 Smart ForFour weights approximately 126 kg more than 2001 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, 2001 Daihatsu Sirion (101 Nm @ 3600 RPM) has 9 more torque (in Nm) than 2006 Smart ForFour. (92 Nm @ 2500 RPM). This means 2001 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForFour.
Compare all specifications:
| 2001 Daihatsu Sirion | 2006 Smart ForFour | |
| Make | Daihatsu | Smart |
| Model | Sirion | ForFour |
| Year Released | 2001 | 2006 |
| 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 |
| Horse Power | 72 HP | 63 HP |
| Torque | 101 Nm | 92 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 72 mm | 75.5 mm |
| Engine Stroke Size | 79.7 mm | 84.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 179 km/hour | 158 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 840 kg | 966 kg |
| Vehicle Length | 3680 mm | 3760 mm |
| Vehicle Width | 1600 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2370 mm | 2510 mm |
| Fuel Tank Capacity | 37 L | 47 L |
