1996 Alfa Romeo 155 vs. 1998 Porsche 911
To start off, 1998 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 1996 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1996 Alfa Romeo 155 would be higher. At 3,600 cc (6 cylinders), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (443 HP @ 6000 RPM) has 325 more horse power than 1996 Alfa Romeo 155. (118 HP @ 6300 RPM) In normal driving conditions, 1998 Porsche 911 should accelerate faster than 1996 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 1998 Porsche 911 weights approximately 186 kg more than 1996 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1996 Alfa Romeo 155. In wet, icy, snow, or gravel driving conditions, 1998 Porsche 911 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. Let's talk about torque, 1998 Porsche 911 (583 Nm @ 4500 RPM) has 439 more torque (in Nm) than 1996 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 1998 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 155.
Compare all specifications:
| 1996 Alfa Romeo 155 | 1998 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 155 | 911 |
| Year Released | 1996 | 1998 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1598 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 443 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 144 Nm | 583 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 75.7 mm | 76.4 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1270 kg | 1456 kg |
| Vehicle Length | 4450 mm | 4270 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1270 mm |
