2005 Alfa Romeo Spider vs. 2002 Fiat Siena
To start off, 2005 Alfa Romeo Spider is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2002 Fiat Siena would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo Spider (247 HP @ 6200 RPM) has 148 more horse power than 2002 Fiat Siena. (99 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo Spider should accelerate faster than 2002 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo Spider weights approximately 357 kg more than 2002 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, 2005 Alfa Romeo Spider (300 Nm @ 4800 RPM) has 154 more torque (in Nm) than 2002 Fiat Siena. (146 Nm @ 4000 RPM). This means 2005 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2002 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | Spider | Siena |
| Year Released | 2005 | 2002 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 99 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 300 Nm | 146 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 78 mm | 78.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1407 kg | 1050 kg |
| Vehicle Length | 4310 mm | 4110 mm |
| Vehicle Width | 1780 mm | 1630 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2380 mm |
