1984 Mazda Cosmo vs. 1990 Mazda RX-7
To start off, 1990 Mazda RX-7 is newer by 6 year(s). Which means there will be less support and parts availability for 1984 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1984 Mazda Cosmo would be higher. Both 1984 Mazda Cosmo and 1990 Mazda RX-7 are equipped with a 2,616 cc engine. In terms of performance, 1990 Mazda RX-7 (197 HP @ 6500 RPM) has 49 more horse power than 1984 Mazda Cosmo. (148 HP @ 6000 RPM) In normal driving conditions, 1990 Mazda RX-7 should accelerate faster than 1984 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1990 Mazda RX-7 weights approximately 65 kg more than 1984 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, 1990 Mazda RX-7 (270 Nm @ 3500 RPM) has 69 more torque (in Nm) than 1984 Mazda Cosmo. (201 Nm @ 3000 RPM). This means 1990 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda Cosmo. 1984 Mazda Cosmo has automatic transmission and 1990 Mazda RX-7 has manual transmission. 1990 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Mazda Cosmo will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Mazda Cosmo | 1990 Mazda RX-7 | |
| Make | Mazda | Mazda |
| Model | Cosmo | RX-7 |
| Year Released | 1984 | 1990 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 148 HP | 197 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 201 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1235 kg | 1300 kg |
| Vehicle Length | 4670 mm | 4320 mm |
| Vehicle Width | 1700 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2430 mm |
