1999 Alfa Romeo 146 vs. 1972 McLaren M21
To start off, 1999 Alfa Romeo 146 is newer by 27 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 163 more horse power than 1999 Alfa Romeo 146. (104 HP @ 6300 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1999 Alfa Romeo 146. With that said, vehicle weight also plays an important factor in acceleration. 1999 Alfa Romeo 146 weights approximately 695 kg more than 1972 McLaren M21.
Compare all specifications:
| 1999 Alfa Romeo 146 | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | 146 | M21 |
| Year Released | 1999 | 1972 |
| Engine Size | 1370 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 267 HP |
| Engine RPM | 6300 RPM | 10000 RPM |
| Vehicle Weight | 1160 kg | 465 kg |
