1963 Alfa Romeo Spider vs. 1973 Cadillac Calais
To start off, 1973 Cadillac Calais is newer by 10 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1973 Cadillac Calais (208 HP @ 4400 RPM) has 45 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 915 kg more than 1963 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1973 Cadillac Calais | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | Calais |
| Year Released | 1963 | 1973 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 163 HP | 208 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 2245 kg |
| Vehicle Length | 4510 mm | 5880 mm |
| Wheelbase Size | 2510 mm | 3310 mm |
