1966 Alfa Romeo Spider vs. 1981 Porsche 936
To start off, 1981 Porsche 936 is newer by 15 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 2,650 cc (6 cylinders), 1981 Porsche 936 is equipped with a bigger engine. In terms of performance, 1981 Porsche 936 (632 HP @ 8200 RPM) has 469 more horse power than 1966 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1981 Porsche 936 should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1966 Alfa Romeo Spider weights approximately 555 kg more than 1981 Porsche 936.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1981 Porsche 936 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 936 |
| Year Released | 1966 | 1981 |
| Engine Position | Front | Middle |
| Engine Size | 2582 cc | 2650 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 632 HP |
| Engine RPM | 5900 RPM | 8200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 775 kg |
