2005 Fiat Siena vs. 2001 Opel Vectra
To start off, 2005 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2001 Opel Vectra would be higher. At 2,260 cc (4 cylinders), 2001 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Fiat Siena (124 HP @ 4000 RPM) has 1 more horse power than 2001 Opel Vectra. (123 HP @ 4000 RPM). In normal driving conditions, 2005 Fiat Siena should accelerate faster than 2001 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Vectra weights approximately 295 kg more than 2005 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 Opel Vectra (270 Nm @ 1500 RPM) has 130 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2001 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2005 Fiat Siena | 2001 Opel Vectra | |
| Make | Fiat | Opel |
| Model | Siena | Vectra |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 2260 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 124 HP | 123 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 140 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 1390 kg |
| Wheelbase Size | 2450 mm | 2650 mm |
| Fuel Tank Capacity | 47 L | 60 L |
