1975 Cadillac Calais vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1975 Cadillac Calais would be higher. At 8,192 cc (8 cylinders), 1975 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (351 HP @ 6600 RPM) has 171 more horse power than 1975 Cadillac Calais. (180 HP @ 4400 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1975 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Calais weights approximately 880 kg more than 2009 Porsche 911.
Compare all specifications:
| 1975 Cadillac Calais | 2009 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Calais | 911 |
| Year Released | 1975 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 8192 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 180 HP | 351 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2305 kg | 1425 kg |
| Vehicle Length | 5880 mm | 4430 mm |
| Wheelbase Size | 3310 mm | 2360 mm |
