1978 Alfa Romeo Giulietta vs. 1991 Mitsubishi Sigma
To start off, 1991 Mitsubishi Sigma is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Giulietta 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 (176 HP @ 5500 RPM) has 68 more horse power than 1978 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 399 kg more than 1978 Alfa Romeo Giulietta. 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 (251 Nm @ 3000 RPM) has 108 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (143 Nm @ 4300 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta.
Compare all specifications:
| 1978 Alfa Romeo Giulietta | 1991 Mitsubishi Sigma | |
| Make | Alfa Romeo | Mitsubishi |
| Model | Giulietta | Sigma |
| Year Released | 1978 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2972 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 176 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 143 Nm | 251 Nm |
| Torque RPM | 4300 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1071 kg | 1470 kg |
| Vehicle Length | 4220 mm | 4760 mm |
| Vehicle Width | 1660 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1440 mm |
| Wheelbase Size | 2460 mm | 2730 mm |
