1981 Opel Ascona vs. 1998 Rover 75
To start off, 1998 Rover 75 is newer by 17 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 1,769 cc (4 cylinders), 1998 Rover 75 is equipped with a bigger engine. In terms of performance, 1998 Rover 75 (120 HP @ 5500 RPM) has 39 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM) In normal driving conditions, 1998 Rover 75 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1998 Rover 75 weights approximately 361 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, 1998 Rover 75 (160 Nm @ 4000 RPM) has 26 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 1998 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1981 Opel Ascona | 1998 Rover 75 | |
| Make | Opel | Rover |
| Model | Ascona | 75 |
| Year Released | 1981 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 120 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 134 Nm | 160 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1014 kg | 1375 kg |
| Vehicle Length | 4380 mm | 4750 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2750 mm |
