2005 Fiat Stilo vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Stilo. In addition, the cost of maintenance, including insurance, on 2005 Fiat Stilo would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 44 more horse power than 2005 Fiat Stilo. (131 HP @ 6300 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2005 Fiat Stilo. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 355 kg more than 2005 Fiat Stilo. 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 208 more torque (in Nm) than 2005 Fiat Stilo. (162 Nm @ 3500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Stilo.
Compare all specifications:
| 2005 Fiat Stilo | 2006 Opel Signum | |
| Make | Fiat | Opel |
| Model | Stilo | Signum |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 131 HP | 175 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 162 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 197 km/hour | 221 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1315 kg | 1670 kg |
| Vehicle Length | 4190 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
| Fuel Consumption Overall | 8 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 58 L | 60 L |
