2003 BMW 520 vs. 1972 McLaren M21
To start off, 2003 BMW 520 is newer by 31 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 2,171 cc (6 cylinders), 2003 BMW 520 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 100 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 1235 kg more than 1972 McLaren M21.
Compare all specifications:
| 2003 BMW 520 | 1972 McLaren M21 | |
| Make | BMW | McLaren |
| Model | 520 | M21 |
| Year Released | 2003 | 1972 |
| Engine Size | 2171 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 167 HP | 267 HP |
| Engine RPM | 6100 RPM | 10000 RPM |
| Vehicle Weight | 1700 kg | 465 kg |
