1973 Cadillac Calais vs. 1972 McLaren M21
To start off, 1973 Cadillac Calais is newer by 1 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 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 75 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 1780 kg more than 1972 McLaren M21.
Compare all specifications:
| 1973 Cadillac Calais | 1972 McLaren M21 | |
| Make | Cadillac | McLaren |
| Model | Calais | M21 |
| Year Released | 1973 | 1972 |
| Engine Size | 7734 cc | 1927 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 283 HP |
| Engine RPM | 4400 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2245 kg | 465 kg |
