2008 Fiat Siena vs. 2006 Smart Roadster
To start off, 2008 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2006 Smart Roadster would be higher. At 1,242 cc (4 cylinders), 2008 Fiat Siena is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Fiat Siena weights approximately 100 kg more than 2006 Smart Roadster.
Because 2006 Smart Roadster 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 Roadster. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2006 Smart Roadster (130 Nm @ 2500 RPM) has 28 more torque (in Nm) than 2008 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 Smart Roadster will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2008 Fiat Siena | 2006 Smart Roadster | |
| Make | Fiat | Smart |
| Model | Siena | Roadster |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1242 cc | 696 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 0 HP | 100 HP |
| Torque | 102 Nm | 130 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Compression Ratio | 9.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 159 km/hour | 195 km/hour |
| Acceleration 0-100mph | 13.5 seconds | 9.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 970 kg |
| Vehicle Length | 3830 mm | 3430 mm |
| Vehicle Width | 1640 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1200 mm |
| Wheelbase Size | 2380 mm | 2370 mm |
| Fuel Consumption Overall | 7.8 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 54 L | 35 L |
