2006 Opel Signum vs. 2006 Opel Astra
To start off, both 2006 Opel Signum and 2006 Opel Astra were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (198 HP @ 5400 RPM) has 45 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 110 kg more than 2006 Opel Astra.
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 Astra (262 Nm @ 4200 RPM) has 42 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2006 Opel Signum | 2006 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2006 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 198 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 220 Nm | 262 Nm |
| Torque RPM | 3800 RPM | 4200 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 94.6 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1425 kg |
| Vehicle Length | 4640 mm | 4520 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
