1972 McLaren M21 vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 39 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 1,897 cc (4 cylinders), 1972 McLaren M21 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 167 more horse power than 2011 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2011 Fiat Siena weights approximately 609 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 2011 Fiat Siena | |
| Make | McLaren | Fiat |
| Model | M21 | Siena |
| Year Released | 1972 | 2011 |
| Engine Size | 1897 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 267 HP | 100 HP |
| Engine RPM | 10000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 1074 kg |
