1999 Opel Astra vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Opel Astra. In addition, the cost of maintenance, including insurance, on 1999 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 84 more horse power than 1999 Opel Astra. (89 HP @ 6000 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 410 kg more than 1999 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, 2008 Opel Signum (265 Nm @ 2500 RPM) has 140 more torque (in Nm) than 1999 Opel Astra. (125 Nm @ 4000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra.
Compare all specifications:
| 1999 Opel Astra | 2008 Opel Signum | |
| Make | Opel | Opel |
| Model | Astra | Signum |
| Year Released | 1999 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 125 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 77.6 mm | 86 mm |
| Engine Stroke Size | 73.4 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1150 kg | 1560 kg |
| Vehicle Length | 4250 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
