1964 Bizzarrini A3C vs. 1972 McLaren M21
To start off, 1972 McLaren M21 is newer by 8 year(s). Which means there will be less support and parts availability for 1964 Bizzarrini A3C. In addition, the cost of maintenance, including insurance, on 1964 Bizzarrini A3C would be higher. At 5,354 cc (8 cylinders), 1964 Bizzarrini A3C is equipped with a bigger engine. In terms of performance, 1964 Bizzarrini A3C (361 HP @ 5800 RPM) has 78 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM). In normal driving conditions, 1964 Bizzarrini A3C should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 1964 Bizzarrini A3C weights approximately 795 kg more than 1972 McLaren M21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1964 Bizzarrini A3C | 1972 McLaren M21 | |
| Make | Bizzarrini | McLaren |
| Model | A3C | M21 |
| Year Released | 1964 | 1972 |
| Engine Size | 5354 cc | 1927 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 361 HP | 283 HP |
| Engine RPM | 5800 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 465 kg |
