1972 McLaren M21 vs. 1999 Opel Vectra
To start off, 1999 Opel Vectra is newer by 27 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 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 169 more horse power than 1999 Opel Vectra. (114 HP @ 5400 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Vectra weights approximately 927 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 1999 Opel Vectra | |
| Make | McLaren | Opel |
| Model | M21 | Vectra |
| Year Released | 1972 | 1999 |
| Engine Size | 1927 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 114 HP |
| Engine RPM | 9000 RPM | 5400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1392 kg |
