1972 McLaren M21 vs. 1955 Peugeot 403
To start off, 1972 McLaren M21 is newer by 17 year(s). Which means there will be less support and parts availability for 1955 Peugeot 403. In addition, the cost of maintenance, including insurance, on 1955 Peugeot 403 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 226 more horse power than 1955 Peugeot 403. (57 HP @ 4900 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1955 Peugeot 403. With that said, vehicle weight also plays an important factor in acceleration. 1955 Peugeot 403 weights approximately 835 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 1955 Peugeot 403 | |
| Make | McLaren | Peugeot |
| Model | M21 | 403 |
| Year Released | 1972 | 1955 |
| Engine Size | 1927 cc | 1468 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 57 HP |
| Engine RPM | 9000 RPM | 4900 RPM |
| Vehicle Weight | 465 kg | 1300 kg |
