1983 Mazda RX-7 vs. 1975 Mazda 818
To start off, 1983 Mazda RX-7 is newer by 8 year(s). Which means there will be less support and parts availability for 1975 Mazda 818. In addition, the cost of maintenance, including insurance, on 1975 Mazda 818 would be higher. At 2,292 cc, 1983 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1983 Mazda RX-7 (105 HP @ 6000 RPM) has 37 more horse power than 1975 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 1983 Mazda RX-7 should accelerate faster than 1975 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 1983 Mazda RX-7 weights approximately 60 kg more than 1975 Mazda 818. 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, 1983 Mazda RX-7 (145 Nm @ 4000 RPM) has 53 more torque (in Nm) than 1975 Mazda 818. (92 Nm @ 4000 RPM). This means 1983 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 818.
Compare all specifications:
| 1983 Mazda RX-7 | 1975 Mazda 818 | |
| Make | Mazda | Mazda |
| Model | RX-7 | 818 |
| Year Released | 1983 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1272 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 105 HP | 68 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 145 Nm | 92 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1060 kg | 1000 kg |
| Vehicle Length | 4290 mm | 4100 mm |
| Vehicle Width | 1680 mm | 1600 mm |
| Vehicle Height | 1270 mm | 1410 mm |
| Wheelbase Size | 2430 mm | 2320 mm |
