2006 Fiat Siena vs. 2005 Smart ForFour
To start off, 2006 Fiat Siena is newer by 1 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 1,697 cc (4 cylinders), 2006 Fiat Siena is equipped with a bigger engine. In terms of performance, 2005 Smart ForFour (108 HP @ 6000 RPM) has 40 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2005 Smart ForFour should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 670 kg more than 2005 Smart ForFour.
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, 2005 Smart ForFour (145 Nm @ 4000 RPM) has 9 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2005 Smart ForFour will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2006 Fiat Siena | 2005 Smart ForFour | |
| Make | Fiat | Smart |
| Model | Siena | ForFour |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 1499 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 68 HP | 108 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 136 Nm | 145 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 16 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1645 kg | 975 kg |
| Vehicle Length | 4000 mm | 3760 mm |
| Vehicle Height | 1700 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2510 mm |
| Fuel Consumption Overall | 6.9 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 47 L | 47 L |
