1971 Cadillac Calais vs. 1957 Porsche 550 A
To start off, 1971 Cadillac Calais is newer by 14 year(s). Which means there will be less support and parts availability for 1957 Porsche 550 A. In addition, the cost of maintenance, including insurance, on 1957 Porsche 550 A would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1971 Cadillac Calais (228 HP @ 4400 RPM) has 120 more horse power than 1957 Porsche 550 A. (108 HP @ 7200 RPM). In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 1957 Porsche 550 A. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 1494 kg more than 1957 Porsche 550 A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1971 Cadillac Calais | 1957 Porsche 550 A | |
| Make | Cadillac | Porsche |
| Model | Calais | 550 A |
| Year Released | 1971 | 1957 |
| Engine Position | Front | Rear |
| Engine Size | 7733 cc | 1498 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 228 HP | 108 HP |
| Engine RPM | 4400 RPM | 7200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2100 kg | 606 kg |
| Vehicle Length | 5750 mm | 3960 mm |
| Wheelbase Size | 3310 mm | 2110 mm |
