1971 Cadillac Calais vs. 1991 Porsche 928
To start off, 1991 Porsche 928 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 117 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 500 kg more than 1991 Porsche 928.
Compare all specifications:
| 1971 Cadillac Calais | 1991 Porsche 928 | |
| Make | Cadillac | Porsche |
| Model | Calais | 928 |
| Year Released | 1971 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 5397 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 345 HP |
| Engine RPM | 4400 RPM | 5700 RPM |
| Vehicle Weight | 2100 kg | 1600 kg |
| Vehicle Length | 5750 mm | 4450 mm |
| Wheelbase Size | 3310 mm | 2510 mm |
