1991 Mitsubishi Sigma vs. 2008 Alfa Romeo 156
To start off, 2008 Alfa Romeo 156 is newer by 17 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 54 more horse power than 2008 Alfa Romeo 156. (148 HP @ 6300 RPM). In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 295 kg more than 2008 Alfa Romeo 156. 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 88 more torque (in Nm) than 2008 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2008 Alfa Romeo 156 | |
| Make | Mitsubishi | Alfa Romeo |
| Model | Sigma | 156 |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 148 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 270 Nm | 182 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1285 kg |
| Vehicle Length | 4760 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2600 mm |
