1991 Mitsubishi Sigma vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 15 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 78 more horse power than 2006 Opel Astra. (124 HP @ 5600 RPM). In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 302 kg more than 2006 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 100 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2006 Opel Astra | |
| Make | Mitsubishi | Opel |
| Model | Sigma | Astra |
| Year Released | 1991 | 2006 |
| 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 | 124 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 270 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1580 kg | 1278 kg |
| Vehicle Length | 4760 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
