2009 GMC Acadia vs. 1972 McLaren M21
To start off, 2009 GMC Acadia 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 3,598 cc (6 cylinders), 2009 GMC Acadia is equipped with a bigger engine. In terms of performance, 2009 GMC Acadia (288 HP @ 6300 RPM) has 5 more horse power than 1972 McLaren M21. (283 HP @ 9000 RPM). In normal driving conditions, 2009 GMC Acadia should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 1676 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:
| 2009 GMC Acadia | 1972 McLaren M21 | |
| Make | GMC | McLaren |
| Model | Acadia | M21 |
| Year Released | 2009 | 1972 |
| Engine Size | 3598 cc | 1927 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 288 HP | 283 HP |
| Engine RPM | 6300 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2141 kg | 465 kg |
