1977 Alfa Romeo Alfasud vs. 1972 McLaren M21
To start off, 1977 Alfa Romeo Alfasud is newer by 5 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 1,897 cc (4 cylinders), 1972 McLaren M21 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 192 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1977 Alfa Romeo Alfasud weights approximately 373 kg more than 1972 McLaren M21.
Compare all specifications:
| 1977 Alfa Romeo Alfasud | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | Alfasud | M21 |
| Year Released | 1977 | 1972 |
| Engine Size | 1287 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 75 HP | 267 HP |
| Engine RPM | 6000 RPM | 10000 RPM |
| Vehicle Weight | 838 kg | 465 kg |
