1991 Mitsubishi Sigma vs. 2007 Nissan Xterra
To start off, 2007 Nissan Xterra is newer by 16 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 3,952 cc (6 cylinders), 2007 Nissan Xterra is equipped with a bigger engine. In terms of performance, 2007 Nissan Xterra (261 HP @ 5600 RPM) has 59 more horse power than 1991 Mitsubishi Sigma. (202 HP @ 6000 RPM) In normal driving conditions, 2007 Nissan Xterra should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 50 kg more than 2007 Nissan Xterra.
Let's talk about torque, 2007 Nissan Xterra (381 Nm @ 4000 RPM) has 111 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 2007 Nissan Xterra will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2007 Nissan Xterra | |
| Make | Mitsubishi | Nissan |
| Model | Sigma | Xterra |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 3952 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 261 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 270 Nm | 381 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1530 kg |
| Vehicle Length | 4760 mm | 4550 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1910 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
