1972 McLaren M21 vs. 1989 Porsche 928
To start off, 1989 Porsche 928 is newer by 17 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 4,664 cc (8 cylinders), 1989 Porsche 928 is equipped with a bigger engine. In terms of performance, 1989 Porsche 928 (306 HP @ 5900 RPM) has 39 more horse power than 1972 McLaren M21. (267 HP @ 10000 RPM) In normal driving conditions, 1989 Porsche 928 should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 1989 Porsche 928 weights approximately 1065 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 | 1989 Porsche 928 | |
| Make | McLaren | Porsche |
| Model | M21 | 928 |
| Year Released | 1972 | 1989 |
| Engine Size | 1897 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 267 HP | 306 HP |
| Engine RPM | 10000 RPM | 5900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1530 kg |
