1975 Opel Kadett vs. 1978 Mazda Cosmo
To start off, 1978 Mazda Cosmo is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1975 Opel Kadett would be higher. At 1,769 cc (4 cylinders), 1978 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 1978 Mazda Cosmo (93 HP @ 5500 RPM) has 42 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1978 Mazda Cosmo should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mazda Cosmo weights approximately 272 kg more than 1975 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, 1978 Mazda Cosmo (150 Nm @ 3300 RPM) has 69 more torque (in Nm) than 1975 Opel Kadett. (81 Nm @ 3400 RPM). This means 1978 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 1975 Opel Kadett | 1978 Mazda Cosmo | |
| Make | Opel | Mazda |
| Model | Kadett | Cosmo |
| Year Released | 1975 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 93 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 81 Nm | 150 Nm |
| Torque RPM | 3400 RPM | 3300 RPM |
| Engine Bore Size | 79 mm | 80 mm |
| Engine Stroke Size | 61 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 820 kg | 1092 kg |
| Vehicle Length | 4150 mm | 4480 mm |
| Vehicle Width | 1590 mm | 1690 mm |
| Vehicle Height | 1340 mm | 1340 mm |
| Wheelbase Size | 2410 mm | 2520 mm |
| Fuel Tank Capacity | 43 L | 65 L |
