1975 Mazda Cosmo vs. 1978 Mazda RX-7
To start off, 1978 Mazda RX-7 is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1975 Mazda Cosmo would be higher. At 2,292 cc, 1978 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1978 Mazda RX-7 (105 HP @ 6000 RPM) has 11 more horse power than 1975 Mazda Cosmo. (94 HP @ 5500 RPM) In normal driving conditions, 1978 Mazda RX-7 should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda Cosmo weights approximately 30 kg more than 1978 Mazda RX-7.
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, 1975 Mazda Cosmo (150 Nm @ 3300 RPM) has 5 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1975 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
1975 Mazda Cosmo | 1978 Mazda RX-7 | |
Make | Mazda | Mazda |
Model | Cosmo | RX-7 |
Year Released | 1975 | 1978 |
Body Type | Coupe | Coupe |
Engine Position | Front | Front |
Engine Size | 1769 cc | 2292 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 94 HP | 105 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 150 Nm | 145 Nm |
Torque RPM | 3300 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1090 kg | 1060 kg |
Vehicle Length | 4480 mm | 4290 mm |
Vehicle Width | 1690 mm | 1680 mm |
Vehicle Height | 1340 mm | 1280 mm |
Wheelbase Size | 2520 mm | 2430 mm |
Fuel Tank Capacity | 65 L | 65 L |