1987 Alfa Romeo 75 vs. 1972 McLaren M21
To start off, 1987 Alfa Romeo 75 is newer by 15 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 2,959 cc (6 cylinders), 1987 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 85 more horse power than 1987 Alfa Romeo 75. (182 HP @ 5800 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1987 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1987 Alfa Romeo 75 weights approximately 747 kg more than 1972 McLaren M21.
Compare all specifications:
| 1987 Alfa Romeo 75 | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | 75 | M21 |
| Year Released | 1987 | 1972 |
| Engine Size | 2959 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 182 HP | 267 HP |
| Engine RPM | 5800 RPM | 10000 RPM |
| Vehicle Weight | 1212 kg | 465 kg |
