1972 McLaren M21 vs. 1944 Packard 12
To start off, 1972 McLaren M21 is newer by 28 year(s). Which means there will be less support and parts availability for 1944 Packard 12. In addition, the cost of maintenance, including insurance, on 1944 Packard 12 would be higher. At 7,756 cc (12 cylinders), 1944 Packard 12 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 94 more horse power than 1944 Packard 12. (173 HP @ 3200 RPM). In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1944 Packard 12. With that said, vehicle weight also plays an important factor in acceleration. 1944 Packard 12 weights approximately 1955 kg more than 1972 McLaren M21.
Compare all specifications:
| 1972 McLaren M21 | 1944 Packard 12 | |
| Make | McLaren | Packard |
| Model | M21 | 12 |
| Year Released | 1972 | 1944 |
| Engine Size | 1897 cc | 7756 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 267 HP | 173 HP |
| Engine RPM | 10000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 465 kg | 2420 kg |
