2007 Fiat Siena vs. 1998 Opel Vectra
To start off, 2007 Fiat Siena is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1998 Opel Vectra would be higher. At 1,598 cc (4 cylinders), 1998 Opel Vectra is equipped with a bigger engine. In terms of performance, 1998 Opel Vectra (74 HP @ 5200 RPM) has 2 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM) In normal driving conditions, 1998 Opel Vectra should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Vectra weights approximately 115 kg more than 2007 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, 1998 Opel Vectra (128 Nm @ 2800 RPM) has 26 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 1998 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2007 Fiat Siena | 1998 Opel Vectra | |
| Make | Fiat | Opel |
| Model | Siena | Vectra |
| Year Released | 2007 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 74 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 102 Nm | 128 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Engine Bore Size | 70.9 mm | 85 mm |
| Engine Stroke Size | 78.9 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1185 kg |
| Vehicle Length | 3830 mm | 4480 mm |
| Vehicle Width | 1640 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1430 mm |
