2006 Opel Signum vs. 2005 Opel Tigra
To start off, 2006 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Tigra. In addition, the cost of maintenance, including insurance, on 2005 Opel Tigra would be higher. At 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (153 HP @ 5600 RPM) has 30 more horse power than 2005 Opel Tigra. (123 HP @ 6000 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 2005 Opel Tigra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 270 kg more than 2005 Opel Tigra. 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 (220 Nm @ 3800 RPM) has 55 more torque (in Nm) than 2005 Opel Tigra. (165 Nm @ 4600 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Tigra.
Compare all specifications:
| 2006 Opel Signum | 2005 Opel Tigra | |
| Make | Opel | Opel |
| Model | Signum | Tigra |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 123 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 220 Nm | 165 Nm |
| Torque RPM | 3800 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 80.5 mm |
| Engine Stroke Size | 94.6 mm | 88.2 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 204 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 9.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1265 kg |
| Vehicle Length | 4640 mm | 3930 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2500 mm |
| Fuel Consumption Overall | 8.3 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 60 L | 45 L |
