2006 Opel Signum vs. 1997 Opel Astra
To start off, 2006 Opel Signum is newer by 9 year(s). Which means there will be less support and parts availability for 1997 Opel Astra. In addition, the cost of maintenance, including insurance, on 1997 Opel Astra would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 116 more horse power than 1997 Opel Astra. (59 HP @ 5200 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 1997 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 665 kg more than 1997 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 267 more torque (in Nm) than 1997 Opel Astra. (103 Nm @ 2800 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1997 Opel Astra.
Compare all specifications:
| 2006 Opel Signum | 1997 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2006 | 1997 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1388 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 59 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 370 Nm | 103 Nm |
| Torque RPM | 1900 RPM | 2800 RPM |
| Engine Bore Size | 87.5 mm | 77.6 mm |
| Engine Stroke Size | 82 mm | 73.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1005 kg |
| Vehicle Length | 4640 mm | 4280 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 70 L |
