1971 Alfa Romeo Junior vs. 1972 McLaren M21
To start off, 1972 McLaren M21 is newer by 1 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo Junior would be higher. At 1,927 cc (4 cylinders), 1972 McLaren M21 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 197 more horse power than 1971 Alfa Romeo Junior. (86 HP @ 6000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1971 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 1971 Alfa Romeo Junior weights approximately 505 kg more than 1972 McLaren M21.
Compare all specifications:
| 1971 Alfa Romeo Junior | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | Junior | M21 |
| Year Released | 1971 | 1972 |
| Engine Size | 1288 cc | 1927 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 283 HP |
| Engine RPM | 6000 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 970 kg | 465 kg |
