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 28 more horse power than 2008 Alfa Romeo 156. (174 HP @ 4000 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 195 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, 2008 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 115 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 2008 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
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 | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 174 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 270 Nm | 385 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1385 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 |
