1991 Opel Astra vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 1,796 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (123 HP @ 6000 RPM) has 41 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 350 kg more than 1991 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, 1991 Opel Astra (168 Nm @ 2400 RPM) has 1 more torque (in Nm) than 2001 Opel Signum. (167 Nm @ 3800 RPM). This means 1991 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 1991 Opel Astra | 2001 Opel Signum | |
| Make | Opel | Opel |
| Model | Astra | Signum |
| Year Released | 1991 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 82 HP | 123 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 168 Nm | 167 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Engine Compression Ratio | 22.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1130 kg | 1480 kg |
| Vehicle Length | 4060 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
| Fuel Tank Capacity | 75 L | 60 L |
