2003 Fiat Siena vs. 2006 Smart ForTwo
To start off, 2006 Smart ForTwo is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 1,301 cc (4 cylinders), 2003 Fiat Siena is equipped with a bigger engine. In terms of performance, 2006 Smart ForTwo (60 HP @ 5250 RPM) has 1 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 2006 Smart ForTwo should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Fiat Siena weights approximately 225 kg more than 2006 Smart ForTwo.
Because 2006 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 2006 Smart ForTwo. However, in wet, icy, snow, or gravel driving conditions, 2003 Fiat Siena, 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, 2003 Fiat Siena (103 Nm @ 2500 RPM) has 8 more torque (in Nm) than 2006 Smart ForTwo. (95 Nm @ 2000 RPM). This means 2003 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForTwo.
Compare all specifications:
| 2003 Fiat Siena | 2006 Smart ForTwo | |
| Make | Fiat | Smart |
| Model | Siena | ForTwo |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1301 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 59 HP | 60 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 103 Nm | 95 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 70.8 mm | 66.5 mm |
| Engine Stroke Size | 78.9 mm | 67 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 815 kg |
| Vehicle Length | 4110 mm | 2510 mm |
| Vehicle Width | 1630 mm | 1540 mm |
| Vehicle Height | 1470 mm | 1560 mm |
| Wheelbase Size | 2380 mm | 1820 mm |
