1996 Alfa Romeo 155 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 11 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 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (351 HP @ 6600 RPM) has 233 more horse power than 1996 Alfa Romeo 155. (118 HP @ 6300 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1996 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 205 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 2007 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, 2007 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 256 more torque (in Nm) than 1996 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2007 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 | 2007 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 155 | 911 |
| Year Released | 1996 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1598 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 351 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 144 Nm | 400 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Engine Bore Size | 82 mm | 99 mm |
| Engine Stroke Size | 75.7 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1475 kg |
| Vehicle Length | 4450 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1310 mm |
