2005 Opel Signum vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 1,908 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 470 kg more than 2010 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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 130 more torque (in Nm) than 2010 Fiat Siena. (135 Nm @ 2500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 2005 Opel Signum | 2010 Fiat Siena | |
| Make | Opel | Fiat |
| Model | Signum | Siena |
| Year Released | 2005 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 0 HP |
| Torque | 265 Nm | 135 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Compression Ratio | 9.5:1 | 20.3:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 220 km/hour | 160 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 16.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1090 kg |
| Vehicle Length | 4640 mm | 4140 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2380 mm |
| Fuel Consumption Overall | 9.2 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 60 L | 47 L |
