1991 Opel Astra vs. 1983 Opel Monza
To start off, 1991 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Opel Monza. In addition, the cost of maintenance, including insurance, on 1983 Opel Monza would be higher. At 2,490 cc (6 cylinders), 1983 Opel Monza is equipped with a bigger engine. In terms of performance, 1983 Opel Monza (134 HP @ 5600 RPM) has 19 more horse power than 1991 Opel Astra. (115 HP @ 5200 RPM) In normal driving conditions, 1983 Opel Monza should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1983 Opel Monza weights approximately 320 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.
Because 1983 Opel Monza is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1983 Opel Monza. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1983 Opel Monza (189 Nm @ 4600 RPM) has 20 more torque (in Nm) than 1991 Opel Astra. (169 Nm @ 2600 RPM). This means 1983 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 1983 Opel Monza | |
| Make | Opel | Opel |
| Model | Astra | Monza |
| Year Released | 1991 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 134 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 169 Nm | 189 Nm |
| Torque RPM | 2600 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 87 mm |
| Engine Stroke Size | 86 mm | 69.8 mm |
| Engine Compression Ratio | 9.2:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Vehicle Weight | 1050 kg | 1370 kg |
| Vehicle Length | 4090 mm | 4700 mm |
| Vehicle Width | 1690 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2650 mm | 2670 mm |
