1991 Alfa Romeo Proteo vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo Proteo. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo Proteo would be higher. At 3,189 cc (6 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 9 more horse power than 2009 Porsche Cayenne. (247 HP @ 6000 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 2009 Porsche Cayenne.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 2009 Porsche Cayenne | |
| Make | Alfa Romeo | Porsche |
| Model | Proteo | Cayenne |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 247 HP |
| Engine RPM | 7200 RPM | 6000 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 72.6 mm | 95.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4150 mm | 4790 mm |
