1991 Mitsubishi Sigma vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 14 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 79 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 380 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mitsubishi Sigma (270 Nm @ 3000 RPM) has 103 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2005 Opel Astra | |
| Make | Mitsubishi | Opel |
| Model | Sigma | Astra |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 123 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 270 Nm | 167 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1200 kg |
| Wheelbase Size | 2730 mm | 2740 mm |
