1981 Mazda 323 vs. 1977 Opel Monza
To start off, 1981 Mazda 323 is newer by 4 year(s). Which means there will be less support and parts availability for 1977 Opel Monza. In addition, the cost of maintenance, including insurance, on 1977 Opel Monza would be higher. At 2,490 cc (6 cylinders), 1977 Opel Monza is equipped with a bigger engine. In terms of performance, 1977 Opel Monza (136 HP @ 5600 RPM) has 83 more horse power than 1981 Mazda 323. (53 HP @ 6000 RPM) In normal driving conditions, 1977 Opel Monza should accelerate faster than 1981 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda 323 weights approximately 60 kg more than 1977 Opel Monza.
Let's talk about torque, 1977 Opel Monza (186 Nm @ 4600 RPM) has 107 more torque (in Nm) than 1981 Mazda 323. (79 Nm @ 4000 RPM). This means 1977 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 323.
Compare all specifications:
| 1981 Mazda 323 | 1977 Opel Monza | |
| Make | Mazda | Opel |
| Model | 323 | Monza |
| Year Released | 1981 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1069 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 136 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 79 Nm | 186 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 850 kg | 790 kg |
| Vehicle Length | 3960 mm | 4730 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2370 mm | 2670 mm |
