2003 Opel Signum vs. 1986 Holden Astra
To start off, 2003 Opel Signum is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Holden Astra. In addition, the cost of maintenance, including insurance, on 1986 Holden Astra would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP) has 105 more horse power than 1986 Holden Astra. (70 HP). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1986 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 720 kg more than 1986 Holden 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 255 more torque (in Nm) than 1986 Holden Astra. (115 Nm @ 3200 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Holden Astra.
Compare all specifications:
| 2003 Opel Signum | 1986 Holden Astra | |
| Make | Opel | Holden |
| Model | Signum | Astra |
| Year Released | 2003 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1486 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 70 HP |
| Torque | 370 Nm | 115 Nm |
| Torque RPM | 1900 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1575 kg | 855 kg |
| Vehicle Length | 4640 mm | 3970 mm |
| Vehicle Width | 1800 mm | 1630 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2420 mm |
