1993 Buick Roadmaster vs. 1972 McLaren M21
To start off, 1993 Buick Roadmaster is newer by 21 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 5,733 cc (8 cylinders), 1993 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 11 more horse power than 1993 Buick Roadmaster. (256 HP @ 5000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1993 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1993 Buick Roadmaster weights approximately 1389 kg more than 1972 McLaren M21.
Compare all specifications:
| 1993 Buick Roadmaster | 1972 McLaren M21 | |
| Make | Buick | McLaren |
| Model | Roadmaster | M21 |
| Year Released | 1993 | 1972 |
| Engine Size | 5733 cc | 1897 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 267 HP |
| Engine RPM | 5000 RPM | 10000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1854 kg | 465 kg |
