1991 Alfa Romeo Proteo vs. 2005 Mercury Mountaineer
To start off, 2005 Mercury Mountaineer is newer by 14 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 4,015 cc (6 cylinders), 2005 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP) has 46 more horse power than 2005 Mercury Mountaineer. (210 HP). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 2005 Mercury Mountaineer. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mountaineer weights approximately 447 kg more than 1991 Alfa Romeo Proteo.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 2005 Mercury Mountaineer | |
| Make | Alfa Romeo | Mercury |
| Model | Proteo | Mountaineer |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4015 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 256 HP | 210 HP |
| Engine Bore Size | 93.1 mm | 100 mm |
| Engine Stroke Size | 72.6 mm | 84 mm |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1917 kg |
| Vehicle Length | 4150 mm | 4860 mm |
