2008 Infiniti QX56 vs. 1992 Mitsubishi Sigma
To start off, 2008 Infiniti QX56 is newer by 16 year(s). Which means there will be less support and parts availability for 1992 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1992 Mitsubishi Sigma would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 145 more horse power than 1992 Mitsubishi Sigma. (175 HP @ 5500 RPM). In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 1992 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1992 Mitsubishi Sigma weights approximately 150 kg more than 2008 Infiniti QX56.
Let's talk about torque, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 282 more torque (in Nm) than 1992 Mitsubishi Sigma. (251 Nm @ 3000 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1992 Mitsubishi Sigma.
Compare all specifications:
| 2008 Infiniti QX56 | 1992 Mitsubishi Sigma | |
| Make | Infiniti | Mitsubishi |
| Model | QX56 | Sigma |
| Year Released | 2008 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 5550 cc | 2972 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 320 HP | 175 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 533 Nm | 251 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Vehicle Weight | 1320 kg | 1470 kg |
| Vehicle Length | 5260 mm | 4760 mm |
| Vehicle Width | 2030 mm | 1780 mm |
| Vehicle Height | 1960 mm | 1440 mm |
| Wheelbase Size | 3140 mm | 2730 mm |
