2006 Fiat Siena vs. 1999 Opel Signum
To start off, 2006 Fiat Siena is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 1,998 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (148 HP @ 4000 RPM) has 76 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 84 kg more than 1999 Opel Signum.
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, 1999 Opel Signum (270 Nm @ 2000 RPM) has 168 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2006 Fiat Siena | 1999 Opel Signum | |
| Make | Fiat | Opel |
| Model | Siena | Signum |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 72 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 102 Nm | 270 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 70.8 mm | 82 mm |
| Engine Stroke Size | 78.8 mm | 90.4 mm |
| Engine Compression Ratio | 9.1:1 | 18.0:1 |
| Acceleration 0-100mph | 13.5 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1086 kg |
| Vehicle Length | 3830 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2380 mm | 2580 mm |
| Fuel Tank Capacity | 54 L | 60 L |
