1978 Mazda RX-3 vs. 1978 Mazda Cosmo
To start off, both 1978 Mazda RX-3 and 1978 Mazda Cosmo were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,963 cc, 1978 Mazda RX-3 is equipped with a bigger engine. In terms of performance, 1978 Mazda RX-3 (100 HP @ 7000 RPM) has 7 more horse power than 1978 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 1978 Mazda RX-3 should accelerate faster than 1978 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mazda Cosmo weights approximately 242 kg more than 1978 Mazda RX-3.
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 15 more torque (in Nm) than 1978 Mazda RX-3. (135 Nm @ 4000 RPM). This means 1978 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-3.
Compare all specifications:
| 1978 Mazda RX-3 | 1978 Mazda Cosmo | |
| Make | Mazda | Mazda |
| Model | RX-3 | Cosmo |
| Year Released | 1978 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1963 cc | 1769 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 100 HP | 93 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 135 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 850 kg | 1092 kg |
| Vehicle Length | 4090 mm | 4480 mm |
| Vehicle Width | 1600 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2320 mm | 2520 mm |
| Fuel Tank Capacity | 65 L | 65 L |
