1991 Alfa Romeo Proteo vs. 1991 Ford Sierra
To start off, both 1991 Alfa Romeo Proteo and 1991 Ford Sierra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,959 cc (6 cylinders), 1991 Alfa Romeo Proteo is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 181 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo Proteo weights approximately 325 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 1991 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Proteo | Sierra |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 75 HP |
| Engine RPM | 7200 RPM | 4500 RPM |
| Engine Bore Size | 93.1 mm | 82.5 mm |
| Engine Stroke Size | 72.6 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1145 kg |
| Vehicle Length | 4150 mm | 4430 mm |
