1972 McLaren M21 vs. 2001 Alfa Romeo 146
To start off, 2001 Alfa Romeo 146 is newer by 29 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 1,927 cc (4 cylinders), 1972 McLaren M21 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 130 more horse power than 2001 Alfa Romeo 146. (153 HP @ 6400 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2001 Alfa Romeo 146. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 146 weights approximately 810 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 2001 Alfa Romeo 146 | |
| Make | McLaren | Alfa Romeo |
| Model | M21 | 146 |
| Year Released | 1972 | 2001 |
| Engine Size | 1927 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 153 HP |
| Engine RPM | 9000 RPM | 6400 RPM |
| Vehicle Weight | 465 kg | 1275 kg |
