2005 Fiat Siena vs. 2012 Opel Vivaro
To start off, 2012 Opel Vivaro is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 1,870 cc (4 cylinders), 2012 Opel Vivaro is equipped with a bigger engine. In terms of performance, 2012 Opel Vivaro (101 HP @ 3500 RPM) has 31 more horse power than 2005 Fiat Siena. (70 HP @ 5750 RPM) In normal driving conditions, 2012 Opel Vivaro should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Vivaro weights approximately 593 kg more than 2005 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, 2012 Opel Vivaro (240 Nm @ 2000 RPM) has 145 more torque (in Nm) than 2005 Fiat Siena. (95 Nm @ 4000 RPM). This means 2012 Opel Vivaro will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2005 Fiat Siena | 2012 Opel Vivaro | |
| Make | Fiat | Opel |
| Model | Siena | Vivaro |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Van |
| Engine Position | Front | Front |
| Engine Size | 999 cc | 1870 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 101 HP |
| Engine RPM | 5750 RPM | 3500 RPM |
| Torque | 95 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1020 kg | 1613 kg |
| Vehicle Length | 4110 mm | 4790 mm |
| Vehicle Width | 1630 mm | 1970 mm |
| Vehicle Height | 1470 mm | 1910 mm |
| Wheelbase Size | 2380 mm | 3100 mm |
