2006 BMW 523 vs. 1972 McLaren M21
To start off, 2006 BMW 523 is newer by 34 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 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP) has 92 more horse power than 2006 BMW 523. (175 HP) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2006 BMW 523.
Compare all specifications:
| 2006 BMW 523 | 1972 McLaren M21 | |
| Make | BMW | McLaren |
| Model | 523 | M21 |
| Year Released | 2006 | 1972 |
| Engine Size | 2497 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 267 HP |
| Fuel Type | Gasoline - Premium | Gasoline |
