1981 Opel Ascona vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 92 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 546 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Opel Signum (265 Nm @ 2500 RPM) has 131 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1981 Opel Ascona | 2004 Opel Signum | |
| Make | Opel | Opel |
| Model | Ascona | Signum |
| Year Released | 1981 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 173 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 134 Nm | 265 Nm |
| Torque RPM | 2600 RPM | 2500 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1014 kg | 1560 kg |
| Vehicle Length | 4380 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
