1955 Austin A 55 vs. 1972 McLaren M21
To start off, 1972 McLaren M21 is newer by 17 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 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 232 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1955 Austin A 55 weights approximately 590 kg more than 1972 McLaren M21.
Compare all specifications:
| 1955 Austin A 55 | 1972 McLaren M21 | |
| Make | Austin | McLaren |
| Model | A 55 | M21 |
| Year Released | 1955 | 1972 |
| Engine Size | 1489 cc | 1927 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 283 HP |
| Engine RPM | 4250 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1055 kg | 465 kg |
