1997 Alfa Romeo 155 vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 13 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 3,800 cc (6 cylinders), 2010 Porsche 911 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 108 more horse power than 2010 Porsche 911. (385 HP @ 6500 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2010 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche 911 weights approximately 465 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 2010 Porsche 911 (420 Nm @ 4400 RPM) has 120 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2010 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 155 | 911 |
| Year Released | 1997 | 2010 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2499 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 493 HP | 385 HP |
| Engine RPM | 11700 RPM | 6500 RPM |
| Torque | 300 Nm | 420 Nm |
| Torque RPM | 9500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1505 kg |
| Vehicle Width | 1750 mm | 1808 mm |
