2006 Smart ForTwo vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Smart ForTwo. In addition, the cost of maintenance, including insurance, on 2006 Smart ForTwo would be higher. At 1,581 cc (4 cylinders), 2011 Fiat Siena is equipped with a bigger engine. In terms of performance, 2011 Fiat Siena (100 HP @ 5500 RPM) has 40 more horse power than 2006 Smart ForTwo. (60 HP @ 5250 RPM) In normal driving conditions, 2011 Fiat Siena should accelerate faster than 2006 Smart ForTwo. With that said, vehicle weight also plays an important factor in acceleration. 2011 Fiat Siena weights approximately 259 kg more than 2006 Smart ForTwo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 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 ForTwo (95 Nm @ 2000 RPM) has 21 more torque (in Nm) than 2011 Fiat Siena. (74 Nm @ 5500 RPM). This means 2006 Smart ForTwo will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2006 Smart ForTwo | 2011 Fiat Siena | |
| Make | Smart | Fiat |
| Model | ForTwo | Siena |
| Year Released | 2006 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 1581 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 60 HP | 100 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 95 Nm | 74 Nm |
| Torque RPM | 2000 RPM | 5500 RPM |
| Engine Bore Size | 66.5 mm | 86.4 mm |
| Engine Stroke Size | 67 mm | 67.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 135 km/hour | 184 km/hour |
| Acceleration 0-100mph | 15.8 seconds | 11.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 815 kg | 1074 kg |
| Vehicle Length | 2510 mm | 3550 mm |
| Vehicle Width | 1540 mm | 1640 mm |
| Vehicle Height | 1560 mm | 1440 mm |
| Wheelbase Size | 1820 mm | 2380 mm |
| Fuel Consumption Overall | 4.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 33 L | 54 L |
