2006 Infiniti QX56 vs. 1980 Mitsubishi Sigma
To start off, 2006 Infiniti QX56 is newer by 26 year(s). Which means there will be less support and parts availability for 1980 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1980 Mitsubishi Sigma would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 229 more horse power than 1980 Mitsubishi Sigma. (86 HP @ 5200 RPM). In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 1980 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti QX56 weights approximately 290 kg more than 1980 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1980 Mitsubishi Sigma. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Infiniti QX56 (529 Nm @ 3600 RPM) has 384 more torque (in Nm) than 1980 Mitsubishi Sigma. (145 Nm @ 2400 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1980 Mitsubishi Sigma. 2006 Infiniti QX56 has automatic transmission and 1980 Mitsubishi Sigma has manual transmission. 1980 Mitsubishi Sigma will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti QX56 | 1980 Mitsubishi Sigma | |
| Make | Infiniti | Mitsubishi |
| Model | QX56 | Sigma |
| Year Released | 2006 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 315 HP | 86 HP |
| Engine RPM | 4900 RPM | 5200 RPM |
| Torque | 529 Nm | 145 Nm |
| Torque RPM | 3600 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1320 kg | 1030 kg |
| Vehicle Length | 5260 mm | 4460 mm |
| Vehicle Width | 2010 mm | 1660 mm |
| Vehicle Height | 1980 mm | 1370 mm |
| Wheelbase Size | 3140 mm | 2520 mm |
