2001 Opel Vectra vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 8 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. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Vectra weights approximately 320 kg more than 2009 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 168 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2001 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2001 Opel Vectra | 2009 Fiat Siena | |
| Make | Opel | Fiat |
| Model | Vectra | Siena |
| Year Released | 2001 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 123 HP | 0 HP |
| Torque | 270 Nm | 102 Nm |
| Torque RPM | 1500 RPM | 3250 RPM |
| Engine Compression Ratio | 18.5:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1070 kg |
| Vehicle Length | 4500 mm | 3830 mm |
| Vehicle Width | 1720 mm | 1640 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2380 mm |
| Fuel Tank Capacity | 60 L | 54 L |
