2002 Opel Signum vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 1,997 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (100 HP @ 3120 RPM) has 1 more horse power than 2005 Opel Astra. (99 HP @ 4300 RPM). In normal driving conditions, 2002 Opel Signum should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 240 kg more than 2005 Opel Astra. 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, both vehicles can yield 230 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2002 Opel Signum | 2005 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2002 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 99 HP |
| Engine RPM | 3120 RPM | 4300 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 1950 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 18.5:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 185 km/hour | 183 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1595 kg | 1355 kg |
| Vehicle Length | 4640 mm | 4290 mm |
| Vehicle Width | 1720 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2530 mm |
| Fuel Consumption Overall | 5.9 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
