1991 Alfa Romeo Proteo vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 20 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 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (385 HP @ 6500 RPM) has 129 more horse power than 1991 Alfa Romeo Proteo. (256 HP @ 7200 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1991 Alfa Romeo Proteo. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 70 kg more than 1991 Alfa Romeo Proteo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Proteo | 911 |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Rear |
| Engine Size | 2959 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 385 HP |
| Engine RPM | 7200 RPM | 6500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1540 kg |
| Vehicle Length | 4150 mm | 4460 mm |
