1991 Alfa Romeo Proteo vs. 1997 Alfa Romeo 155
To start off, 1997 Alfa Romeo 155 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo Proteo. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo Proteo would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo Proteo is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 237 more horse power than 1991 Alfa Romeo Proteo. (256 HP @ 7200 RPM) In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1991 Alfa Romeo Proteo. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo Proteo weights approximately 430 kg more than 1997 Alfa Romeo 155.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 1997 Alfa Romeo 155 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | Proteo | 155 |
| Year Released | 1991 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 493 HP |
| Engine RPM | 7200 RPM | 11700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1040 kg |
