1979 Mazda Cosmo vs. 1977 Mazda 121
To start off, 1979 Mazda Cosmo is newer by 2 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 2,615 cc (2 cylinders), 1977 Mazda 121 is equipped with a bigger engine. In terms of performance, 1977 Mazda 121 (114 HP @ 6000 RPM) has 21 more horse power than 1979 Mazda Cosmo. (93 HP @ 5500 RPM) In normal driving conditions, 1977 Mazda 121 should accelerate faster than 1979 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mazda 121 weights approximately 110 kg more than 1979 Mazda Cosmo. 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 Mazda 121 (165 Nm @ 4000 RPM) has 15 more torque (in Nm) than 1979 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 1977 Mazda 121 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda Cosmo.
Compare all specifications:
| 1979 Mazda Cosmo | 1977 Mazda 121 | |
| Make | Mazda | Mazda |
| Model | Cosmo | 121 |
| Year Released | 1979 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1768 cc | 2615 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 114 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 150 Nm | 165 Nm |
| Torque RPM | 3300 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1090 kg | 1200 kg |
| Vehicle Length | 4480 mm | 4510 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1340 mm | 1350 mm |
| Wheelbase Size | 2520 mm | 2520 mm |
