1999 Opel Signum vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 13 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (138 HP @ 5600 RPM) has 39 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 317 kg more than 2012 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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 65 more torque (in Nm) than 2012 Opel Astra. (175 Nm @ 3800 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra.
Compare all specifications:
| 1999 Opel Signum | 2012 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 1999 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 138 HP |
| Engine RPM | 3120 RPM | 5600 RPM |
| Torque | 240 Nm | 175 Nm |
| Torque RPM | 1500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Top Speed | 185 km/hour | 208 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 | 1278 kg |
| Vehicle Length | 4640 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 52 L |
