1972 McLaren M21 vs. 1978 Pontiac Sunbird
To start off, 1978 Pontiac Sunbird is newer by 6 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 2,474 cc (4 cylinders), 1978 Pontiac Sunbird is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1978 Pontiac Sunbird weights approximately 780 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 1978 Pontiac Sunbird | |
| Make | McLaren | Pontiac |
| Model | M21 | Sunbird |
| Year Released | 1972 | 1978 |
| Engine Size | 1927 cc | 2474 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1245 kg |
