1979 Mazda RX-7 vs. 1981 Nissan Sunny
To start off, 1981 Nissan Sunny is newer by 2 year(s). Which means there will be less support and parts availability for 1979 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1979 Mazda RX-7 would be higher. At 2,292 cc, 1979 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1979 Mazda RX-7 (104 HP @ 6000 RPM) has 51 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM). In normal driving conditions, 1979 Mazda RX-7 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mazda RX-7 weights approximately 150 kg more than 1981 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1979 Mazda RX-7 (145 Nm @ 4000 RPM) has 41 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 1979 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1979 Mazda RX-7 | 1981 Nissan Sunny | |
| Make | Mazda | Nissan |
| Model | RX-7 | Sunny |
| Year Released | 1979 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1680 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 104 HP | 53 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 145 Nm | 104 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1060 kg | 910 kg |
| Vehicle Length | 4290 mm | 4140 mm |
| Vehicle Width | 1680 mm | 1650 mm |
| Vehicle Height | 1270 mm | 1400 mm |
| Wheelbase Size | 2430 mm | 2410 mm |
