2001 Alfa Romeo Spider vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo Spider would be higher. At 1,773 cc (4 cylinders), 2001 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo Spider (138 HP @ 6300 RPM) has 66 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2001 Alfa Romeo Spider should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo Spider weights approximately 180 kg more than 2006 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2001 Alfa Romeo Spider (163 Nm @ 3500 RPM) has 61 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 2001 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2001 Alfa Romeo Spider | 2006 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | Spider | Siena |
| Year Released | 2001 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1773 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 72 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 163 Nm | 102 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 82 mm | 70.8 mm |
| Engine Stroke Size | 82.8 mm | 78.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.1:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1170 kg |
| Vehicle Length | 4290 mm | 3830 mm |
| Vehicle Width | 1790 mm | 1640 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2380 mm |
| Fuel Tank Capacity | 70 L | 54 L |
