2005 Mazda RX-8 vs. 1991 Mitsubishi Sigma
To start off, 2005 Mazda RX-8 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1991 Mitsubishi Sigma would be higher. At 2,972 cc (6 cylinders), 1991 Mitsubishi Sigma is equipped with a bigger engine. In terms of performance, 2005 Mazda RX-8 (197 HP @ 4000 RPM) has 21 more horse power than 1991 Mitsubishi Sigma. (176 HP @ 5500 RPM). In normal driving conditions, 2005 Mazda RX-8 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 85 kg more than 2005 Mazda RX-8.
Let's talk about torque, 1991 Mitsubishi Sigma (251 Nm @ 3000 RPM) has 29 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8.
Compare all specifications:
| 2005 Mazda RX-8 | 1991 Mitsubishi Sigma | |
| Make | Mazda | Mitsubishi |
| Model | RX-8 | Sigma |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1311 cc | 2972 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 197 HP | 176 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 222 Nm | 251 Nm |
| Torque RPM | 5500 RPM | 3000 RPM |
| Vehicle Weight | 1385 kg | 1470 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2730 mm |
