1973 Opel Kadett vs. 1977 Opel Monza
To start off, 1977 Opel Monza is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett would be higher. At 2,968 cc (6 cylinders), 1977 Opel Monza is equipped with a bigger engine. In terms of performance, 1977 Opel Monza (180 HP @ 5800 RPM) has 133 more horse power than 1973 Opel Kadett. (47 HP @ 5600 RPM) In normal driving conditions, 1977 Opel Monza should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1977 Opel Monza weights approximately 637 kg more than 1973 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1977 Opel Monza (248 Nm @ 4200 RPM) has 177 more torque (in Nm) than 1973 Opel Kadett. (71 Nm @ 2700 RPM). This means 1977 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett. 1977 Opel Monza has automatic transmission and 1973 Opel Kadett has manual transmission. 1973 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Opel Monza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Kadett | 1977 Opel Monza | |
| Make | Opel | Opel |
| Model | Kadett | Monza |
| Year Released | 1973 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1078 cc | 2968 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 180 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 71 Nm | 248 Nm |
| Torque RPM | 2700 RPM | 4200 RPM |
| Engine Bore Size | 72.1 mm | 95 mm |
| Engine Stroke Size | 61 mm | 69.8 mm |
| Engine Compression Ratio | 8.8:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 760 kg | 1397 kg |
| Vehicle Length | 4190 mm | 4730 mm |
| Vehicle Width | 1590 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2400 mm | 2640 mm |
| Fuel Tank Capacity | 43 L | 50 L |
