2009 Daihatsu Sirion vs. 1972 McLaren M21
To start off, 2009 Daihatsu Sirion is newer by 37 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 181 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 440 kg more than 1972 McLaren M21.
Compare all specifications:
| 2009 Daihatsu Sirion | 1972 McLaren M21 | |
| Make | Daihatsu | McLaren |
| Model | Sirion | M21 |
| Year Released | 2009 | 1972 |
| Engine Size | 1495 cc | 1927 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 102 HP | 283 HP |
| Engine RPM | 6000 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 905 kg | 465 kg |
