1972 McLaren M21 vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 38 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 3,800 cc (6 cylinders), 2010 Porsche 911 is equipped with a bigger engine. In terms of performance, 2010 Porsche 911 (500 HP @ 6000 RPM) has 233 more horse power than 1972 McLaren M21. (267 HP @ 10000 RPM) In normal driving conditions, 2010 Porsche 911 should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche 911 weights approximately 1180 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 | 2010 Porsche 911 | |
| Make | McLaren | Porsche |
| Model | M21 | 911 |
| Year Released | 1972 | 2010 |
| Engine Size | 1897 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 267 HP | 500 HP |
| Engine RPM | 10000 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1645 kg |
