1972 McLaren M21 vs. 2005 Porsche 996
To start off, 2005 Porsche 996 is newer by 33 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 3,594 cc (6 cylinders), 2005 Porsche 996 is equipped with a bigger engine. In terms of performance, 2005 Porsche 996 (317 HP @ 6800 RPM) has 50 more horse power than 1972 McLaren M21. (267 HP @ 10000 RPM) In normal driving conditions, 2005 Porsche 996 should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 996 weights approximately 1055 kg more than 1972 McLaren M21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1972 McLaren M21 | 2005 Porsche 996 | |
| Make | McLaren | Porsche |
| Model | M21 | 996 |
| Year Released | 1972 | 2005 |
| Engine Size | 1897 cc | 3594 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 267 HP | 317 HP |
| Engine RPM | 10000 RPM | 6800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1520 kg |
