1967 Mazda Cosmo vs. 1979 Mazda 121
To start off, 1979 Mazda 121 is newer by 12 year(s). Which means there will be less support and parts availability for 1967 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1967 Mazda Cosmo would be higher. At 1,970 cc (4 cylinders), 1979 Mazda 121 is equipped with a bigger engine. In terms of performance, 1967 Mazda Cosmo (93 HP @ 7000 RPM) has 3 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 1967 Mazda Cosmo should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mazda 121 weights approximately 194 kg more than 1967 Mazda Cosmo.
Let's talk about torque, 1979 Mazda 121 (160 Nm @ 3000 RPM) has 27 more torque (in Nm) than 1967 Mazda Cosmo. (133 Nm @ 3500 RPM). This means 1979 Mazda 121 will have an easier job in driving up hills or pulling heavy equipment than 1967 Mazda Cosmo.
Compare all specifications:
| 1967 Mazda Cosmo | 1979 Mazda 121 | |
| Make | Mazda | Mazda |
| Model | Cosmo | 121 |
| Year Released | 1967 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1964 cc | 1970 cc |
| Horse Power | 93 HP | 90 HP |
| Engine RPM | 7000 RPM | 4800 RPM |
| Torque | 133 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 940 kg | 1134 kg |
| Vehicle Length | 4150 mm | 4510 mm |
| Vehicle Width | 1600 mm | 1690 mm |
| Vehicle Height | 1170 mm | 1350 mm |
| Wheelbase Size | 2210 mm | 2520 mm |
