1958 Alfa Romeo 1900 vs. 1972 McLaren M21
To start off, 1972 McLaren M21 is newer by 14 year(s). Which means there will be less support and parts availability for 1958 Alfa Romeo 1900. In addition, the cost of maintenance, including insurance, on 1958 Alfa Romeo 1900 would be higher. At 1,975 cc (4 cylinders), 1958 Alfa Romeo 1900 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 153 more horse power than 1958 Alfa Romeo 1900. (114 HP @ 5500 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1958 Alfa Romeo 1900. With that said, vehicle weight also plays an important factor in acceleration. 1958 Alfa Romeo 1900 weights approximately 485 kg more than 1972 McLaren M21.
Compare all specifications:
| 1958 Alfa Romeo 1900 | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | 1900 | M21 |
| Year Released | 1958 | 1972 |
| Engine Size | 1975 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 267 HP |
| Engine RPM | 5500 RPM | 10000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 950 kg | 465 kg |
