1991 Mitsubishi Sigma vs. 2012 Mazda CX-7
To start off, 2012 Mazda CX-7 is newer by 21 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, 2012 Mazda CX-7 (244 HP @ 5000 RPM) has 42 more horse power than 1991 Mitsubishi Sigma. (202 HP @ 6000 RPM) In normal driving conditions, 2012 Mazda CX-7 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mazda CX-7 weights approximately 138 kg more than 1991 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2012 Mazda CX-7 (349 Nm @ 2500 RPM) has 79 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 2012 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2012 Mazda CX-7 | |
| Make | Mitsubishi | Mazda |
| Model | Sigma | CX-7 |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 2300 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 244 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 270 Nm | 349 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1718 kg |
| Vehicle Length | 4760 mm | 4681 mm |
| Vehicle Width | 1780 mm | 1872 mm |
| Vehicle Height | 1440 mm | 1646 mm |
| Wheelbase Size | 2730 mm | 2751 mm |
