1973 Cadillac Calais vs. 1981 Porsche 911
To start off, 1981 Porsche 911 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1973 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 24 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 985 kg more than 1981 Porsche 911.
Compare all specifications:
| 1973 Cadillac Calais | 1981 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Calais | 911 |
| Year Released | 1973 | 1981 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 7734 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 208 HP | 232 HP |
| Engine RPM | 4400 RPM | 5900 RPM |
| Vehicle Weight | 2245 kg | 1260 kg |
| Vehicle Length | 5880 mm | 4300 mm |
| Wheelbase Size | 3310 mm | 2270 mm |
