1992 Alfa Romeo 155 vs. 1990 Porsche 911
To start off, 1992 Alfa Romeo 155 is newer by 2 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1992 Alfa Romeo 155 (493 HP @ 11700 RPM) has 246 more horse power than 1990 Porsche 911. (247 HP @ 6100 RPM). In normal driving conditions, 1992 Alfa Romeo 155 should accelerate faster than 1990 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1990 Porsche 911 weights approximately 295 kg more than 1992 Alfa Romeo 155.
Let's talk about torque, 1990 Porsche 911 (316 Nm @ 4800 RPM) has 16 more torque (in Nm) than 1992 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1992 Alfa Romeo 155.
Compare all specifications:
| 1992 Alfa Romeo 155 | 1990 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 155 | 911 |
| Year Released | 1992 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2499 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 493 HP | 247 HP |
| Engine RPM | 11700 RPM | 6100 RPM |
| Torque | 300 Nm | 316 Nm |
| Torque RPM | 9500 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1335 kg |
