2005 Fiat Siena vs. 2003 Vauxhall Signum
To start off, 2005 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Signum. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Signum would be higher. At 1,796 cc (4 cylinders), 2003 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2005 Fiat Siena (124 HP @ 4000 RPM) has 4 more horse power than 2003 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2005 Fiat Siena should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 300 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, 2003 Vauxhall Signum (167 Nm @ 3800 RPM) has 27 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2005 Fiat Siena | 2003 Vauxhall Signum | |
| Make | Fiat | Vauxhall |
| Model | Siena | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 124 HP | 120 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 140 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 1395 kg |
| Wheelbase Size | 2450 mm | 2840 mm |
