1978 Cadillac Seville vs. 1972 McLaren M21
To start off, 1978 Cadillac Seville is newer by 6 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 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 160 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 1425 kg more than 1972 McLaren M21.
Compare all specifications:
| 1978 Cadillac Seville | 1972 McLaren M21 | |
| Make | Cadillac | McLaren |
| Model | Seville | M21 |
| Year Released | 1978 | 1972 |
| Engine Size | 5735 cc | 1927 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 283 HP |
| Engine RPM | 3600 RPM | 9000 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1890 kg | 465 kg |
