2005 Alfa Romeo 156 vs. 2003 Porsche Cayenne
To start off, 2005 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. Both 2005 Alfa Romeo 156 and 2003 Porsche Cayenne are equipped with a 3,179 cc engine. In terms of performance, both vehicles can yield 247 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 760 kg more than 2005 Alfa Romeo 156.
Because 2003 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2003 Porsche Cayenne 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, 2003 Porsche Cayenne (310 Nm @ 2500 RPM) has 5 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2003 Porsche Cayenne | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | Cayenne |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 247 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 305 Nm | 310 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 78 mm | 95.9 mm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Top Speed | 250 km/hour | 214 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 9.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1410 kg | 2170 kg |
| Vehicle Length | 4440 mm | 4790 mm |
| Vehicle Width | 1770 mm | 1930 mm |
| Vehicle Height | 1410 mm | 1710 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
