1979 Mazda 616 vs. 1981 Mazda RX-7
To start off, 1981 Mazda RX-7 is newer by 2 year(s). Which means there will be less support and parts availability for 1979 Mazda 616. In addition, the cost of maintenance, including insurance, on 1979 Mazda 616 would be higher. At 2,292 cc, 1981 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1981 Mazda RX-7 (104 HP @ 6000 RPM) has 25 more horse power than 1979 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 1981 Mazda RX-7 should accelerate faster than 1979 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda RX-7 weights approximately 150 kg more than 1979 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Mazda RX-7 (145 Nm @ 4000 RPM) has 21 more torque (in Nm) than 1979 Mazda 616. (124 Nm @ 3500 RPM). This means 1981 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 616.
Compare all specifications:
| 1979 Mazda 616 | 1981 Mazda RX-7 | |
| Make | Mazda | Mazda |
| Model | 616 | RX-7 |
| Year Released | 1979 | 1981 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 79 HP | 104 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 124 Nm | 145 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 910 kg | 1060 kg |
| Vehicle Length | 4160 mm | 4300 mm |
| Vehicle Width | 1590 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2480 mm | 2430 mm |
