1991 Mitsubishi Sigma vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 11 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, 1991 Mitsubishi Sigma (202 HP @ 6000 RPM) has 102 more horse power than 2002 Opel Signum. (100 HP @ 3120 RPM). In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 15 kg more than 1991 Mitsubishi Sigma.
Let's talk about torque, 1991 Mitsubishi Sigma (270 Nm @ 3000 RPM) has 40 more torque (in Nm) than 2002 Opel Signum. (230 Nm @ 1500 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2002 Opel Signum | |
| Make | Mitsubishi | Opel |
| Model | Sigma | Signum |
| Year Released | 1991 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 100 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 270 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1595 kg |
| Vehicle Length | 4760 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2610 mm |
