2003 Fiat Siena vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster 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 Roadster (81 HP @ 5250 RPM) has 22 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 2006 Smart Roadster should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Fiat Siena weights approximately 175 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, 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, 2006 Smart Roadster (110 Nm @ 3000 RPM) has 7 more torque (in Nm) than 2003 Fiat Siena. (103 Nm @ 2500 RPM). This means 2006 Smart Roadster will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2006 Smart Roadster has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Smart Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 Fiat Siena | 2006 Smart Roadster | |
Make | Fiat | Smart |
Model | Siena | Roadster |
Year Released | 2003 | 2006 |
Body Type | Sedan | Roadster |
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 | 81 HP |
Engine RPM | 5200 RPM | 5250 RPM |
Torque | 103 Nm | 110 Nm |
Torque RPM | 2500 RPM | 3000 RPM |
Engine Bore Size | 70.8 mm | 66.5 mm |
Engine Stroke Size | 78.9 mm | 67 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1040 kg | 865 kg |
Vehicle Length | 4110 mm | 3430 mm |
Vehicle Width | 1630 mm | 1620 mm |
Vehicle Height | 1470 mm | 1200 mm |
Wheelbase Size | 2380 mm | 2370 mm |