2003 Toyota Prius vs. 2001 Fiat Siena
To start off, 2003 Toyota Prius is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2001 Fiat Siena would be higher. At 1,596 cc (4 cylinders), 2001 Fiat Siena is equipped with a bigger engine. In terms of performance, 2001 Fiat Siena (99 HP @ 6000 RPM) has 23 more horse power than 2003 Toyota Prius. (76 HP @ 5000 RPM) In normal driving conditions, 2001 Fiat Siena should accelerate faster than 2003 Toyota Prius. With that said, vehicle weight also plays an important factor in acceleration. 2003 Toyota Prius weights approximately 200 kg more than 2001 Fiat Siena.
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 Fiat Siena (146 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2003 Toyota Prius. (115 Nm @ 4200 RPM). This means 2001 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Prius. 2003 Toyota Prius has automatic transmission and 2001 Fiat Siena has manual transmission. 2001 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Toyota Prius will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Toyota Prius | 2001 Fiat Siena | |
| Make | Toyota | Fiat |
| Model | Prius | Siena |
| Year Released | 2003 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1497 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 76 HP | 99 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 115 Nm | 146 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Engine Bore Size | 75 mm | 80.5 mm |
| Engine Stroke Size | 85 mm | 78.4 mm |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1050 kg |
| Vehicle Length | 4450 mm | 4110 mm |
| Vehicle Width | 1730 mm | 1630 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
