1971 Mazda Familia vs. 1978 Opel Kadett
To start off, 1978 Opel Kadett is newer by 7 year(s). Which means there will be less support and parts availability for 1971 Mazda Familia. In addition, the cost of maintenance, including insurance, on 1971 Mazda Familia would be higher. At 992 cc (4 cylinders), 1978 Opel Kadett is equipped with a bigger engine. In terms of performance, 1971 Mazda Familia (49 HP @ 6000 RPM) has 2 more horse power than 1978 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 1971 Mazda Familia should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Kadett weights approximately 76 kg more than 1971 Mazda Familia.
Let's talk about torque, 1971 Mazda Familia (79 Nm @ 3500 RPM) has 8 more torque (in Nm) than 1978 Opel Kadett. (71 Nm @ 3400 RPM). This means 1971 Mazda Familia will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1971 Mazda Familia | 1978 Opel Kadett | |
| Make | Mazda | Opel |
| Model | Familia | Kadett |
| Year Released | 1971 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 987 cc | 992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 47 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 79 Nm | 71 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 744 kg | 820 kg |
| Vehicle Length | 3790 mm | 3900 mm |
| Vehicle Width | 1470 mm | 1590 mm |
| Vehicle Height | 1390 mm | 1320 mm |
| Wheelbase Size | 2200 mm | 2520 mm |
