1993 Alfa Romeo 155 vs. 1991 Porsche 911
To start off, 1993 Alfa Romeo 155 is newer by 2 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 1991 Porsche 911 (228 HP @ 5900 RPM) has 105 more horse power than 1993 Alfa Romeo 155. (123 HP @ 4200 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 1993 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 1993 Alfa Romeo 155 weights approximately 205 kg more than 1991 Porsche 911.
Let's talk about torque, 1993 Alfa Romeo 155 (294 Nm @ 2000 RPM) has 8 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 1993 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 1993 Alfa Romeo 155 | 1991 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 155 | 911 |
| Year Released | 1993 | 1991 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2498 cc | 3163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 123 HP | 228 HP |
| Engine RPM | 4200 RPM | 5900 RPM |
| Torque | 294 Nm | 286 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1175 kg |
| Vehicle Length | 4450 mm | 4300 mm |
| Vehicle Width | 1710 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1260 mm |
