1980 Bentley Mulsanne vs. 1972 McLaren M21
To start off, 1980 Bentley Mulsanne is newer by 8 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 6,750 cc (8 cylinders), 1980 Bentley Mulsanne is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 82 more horse power than 1980 Bentley Mulsanne. (201 HP @ 4000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1980 Bentley Mulsanne. With that said, vehicle weight also plays an important factor in acceleration. 1980 Bentley Mulsanne weights approximately 1785 kg more than 1972 McLaren M21.
Compare all specifications:
| 1980 Bentley Mulsanne | 1972 McLaren M21 | |
| Make | Bentley | McLaren |
| Model | Mulsanne | M21 |
| Year Released | 1980 | 1972 |
| Engine Size | 6750 cc | 1927 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 283 HP |
| Engine RPM | 4000 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2250 kg | 465 kg |
