1974 Mazda RX-3 vs. 1992 Mitsubishi Sigma
To start off, 1992 Mitsubishi Sigma is newer by 18 year(s). Which means there will be less support and parts availability for 1974 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1974 Mazda RX-3 would be higher. At 2,972 cc (6 cylinders), 1992 Mitsubishi Sigma is equipped with a bigger engine. In terms of performance, 1992 Mitsubishi Sigma (175 HP @ 5500 RPM) has 75 more horse power than 1974 Mazda RX-3. (100 HP @ 7000 RPM) In normal driving conditions, 1992 Mitsubishi Sigma should accelerate faster than 1974 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 1992 Mitsubishi Sigma weights approximately 620 kg more than 1974 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1992 Mitsubishi Sigma (251 Nm @ 3000 RPM) has 116 more torque (in Nm) than 1974 Mazda RX-3. (135 Nm @ 4000 RPM). This means 1992 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda RX-3.
Compare all specifications:
| 1974 Mazda RX-3 | 1992 Mitsubishi Sigma | |
| Make | Mazda | Mitsubishi |
| Model | RX-3 | Sigma |
| Year Released | 1974 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 2972 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 100 HP | 175 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 135 Nm | 251 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 850 kg | 1470 kg |
| Vehicle Length | 4090 mm | 4760 mm |
| Vehicle Width | 1600 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2320 mm | 2730 mm |
