1963 Alfa Romeo Spider vs. 1974 McLaren M23
To start off, 1974 McLaren M23 is newer by 11 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 2,991 cc (8 cylinders), 1974 McLaren M23 is equipped with a bigger engine. In terms of performance, 1974 McLaren M23 (455 HP @ 10250 RPM) has 292 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1974 McLaren M23 should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1963 Alfa Romeo Spider weights approximately 760 kg more than 1974 McLaren M23.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1974 McLaren M23 | |
| Make | Alfa Romeo | McLaren |
| Model | Spider | M23 |
| Year Released | 1963 | 1974 |
| Engine Position | Front | Middle |
| Engine Size | 2580 cc | 2991 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 455 HP |
| Engine RPM | 5900 RPM | 10250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 570 kg |
