1971 Cadillac Calais vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 35 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, 2006 Porsche 911 (350 HP @ 6600 RPM) has 122 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 605 kg more than 2006 Porsche 911.
Compare all specifications:
| 1971 Cadillac Calais | 2006 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Calais | 911 |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 7733 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 228 HP | 350 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 2100 kg | 1495 kg |
| Vehicle Length | 5750 mm | 4430 mm |
| Wheelbase Size | 3310 mm | 2360 mm |
