2003 Opel Signum vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 1,998 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 542 kg more than 2008 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, 2003 Opel Signum (230 Nm @ 1500 RPM) has 88 more torque (in Nm) than 2008 Opel Astra. (142 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2003 Opel Signum | 2008 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2003 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1598 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 0 HP |
| Torque | 230 Nm | 142 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Compression Ratio | 18.5:1 | 9.8:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 14.3 seconds | 11.5 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 | 1620 kg | 1078 kg |
| Vehicle Length | 4640 mm | 3510 mm |
| Vehicle Height | 1470 mm | 1700 mm |
| Wheelbase Size | 2840 mm | 2610 mm |
| Fuel Consumption Overall | 5.9 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
