1991 Alfa Romeo Proteo vs. 1955 Porsche 550 A
To start off, 1991 Alfa Romeo Proteo is newer by 36 year(s). Which means there will be less support and parts availability for 1955 Porsche 550 A. In addition, the cost of maintenance, including insurance, on 1955 Porsche 550 A would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo Proteo is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 148 more horse power than 1955 Porsche 550 A. (108 HP @ 7200 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 1955 Porsche 550 A. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo Proteo weights approximately 865 kg more than 1955 Porsche 550 A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Alfa Romeo Proteo is four wheel drive (4WD), it will have significant more traction and grip than 1955 Porsche 550 A. In wet, icy, snow, or gravel driving conditions, 1991 Alfa Romeo Proteo will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 1955 Porsche 550 A | |
| Make | Alfa Romeo | Porsche |
| Model | Proteo | 550 A |
| Year Released | 1991 | 1955 |
| Engine Position | Front | Rear |
| Engine Size | 2959 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 256 HP | 108 HP |
| Engine RPM | 7200 RPM | 7200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1470 kg | 605 kg |
| Vehicle Length | 4150 mm | 3960 mm |
