1978 Mazda RX-7 vs. 1977 Opel Monza
To start off, 1978 Mazda RX-7 is newer by 1 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 2,292 cc, 1978 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1977 Opel Monza (115 HP @ 5600 RPM) has 10 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1977 Opel Monza should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mazda RX-7 weights approximately 275 kg more than 1977 Opel Monza.
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 (161 Nm @ 4200 RPM) has 16 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1977 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7. 1977 Opel Monza has automatic transmission and 1978 Mazda RX-7 has manual transmission. 1978 Mazda RX-7 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:
| 1978 Mazda RX-7 | 1977 Opel Monza | |
| Make | Mazda | Opel |
| Model | RX-7 | Monza |
| Year Released | 1978 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1979 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 105 HP | 115 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 145 Nm | 161 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Top Speed | 185 km/hour | 180 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1060 kg | 785 kg |
| Vehicle Length | 4290 mm | 4730 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1280 mm | 1350 mm |
| Wheelbase Size | 2430 mm | 2670 mm |
| Fuel Tank Capacity | 65 L | 43 L |
