1972 McLaren M21 vs. 2012 Opel Insignia
To start off, 2012 Opel Insignia is newer by 40 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 2,792 cc (6 cylinders), 2012 Opel Insignia is equipped with a bigger engine. In terms of performance, 2012 Opel Insignia (321 HP @ 5500 RPM) has 38 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM) In normal driving conditions, 2012 Opel Insignia should accelerate faster than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 2012 Opel Insignia | |
| Make | McLaren | Opel |
| Model | M21 | Insignia |
| Year Released | 1972 | 2012 |
| Engine Size | 1927 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 283 HP | 321 HP |
| Engine RPM | 9000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
