1973 Mazda RX-3 vs. 1975 Nissan Sunny
To start off, 1975 Nissan Sunny is newer by 2 year(s). Which means there will be less support and parts availability for 1973 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1973 Mazda RX-3 would be higher. At 1,964 cc, 1973 Mazda RX-3 is equipped with a bigger engine. In terms of performance, 1973 Mazda RX-3 (100 HP @ 7000 RPM) has 49 more horse power than 1975 Nissan Sunny. (51 HP @ 6000 RPM). In normal driving conditions, 1973 Mazda RX-3 should accelerate faster than 1975 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mazda RX-3 weights approximately 52 kg more than 1975 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, 1973 Mazda RX-3 (135 Nm @ 4000 RPM) has 56 more torque (in Nm) than 1975 Nissan Sunny. (79 Nm @ 3600 RPM). This means 1973 Mazda RX-3 will have an easier job in driving up hills or pulling heavy equipment than 1975 Nissan Sunny.
Compare all specifications:
| 1973 Mazda RX-3 | 1975 Nissan Sunny | |
| Make | Mazda | Nissan |
| Model | RX-3 | Sunny |
| Year Released | 1973 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1964 cc | 1171 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 100 HP | 51 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 135 Nm | 79 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 852 kg | 800 kg |
| Vehicle Length | 4090 mm | 3960 mm |
| Vehicle Width | 1600 mm | 1550 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2320 mm | 2350 mm |
