2004 Buick Regal vs. 1970 Cadillac Calais
To start off, 2004 Buick Regal is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1970 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1970 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 23 more horse power than 1970 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 1970 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1970 Cadillac Calais weights approximately 502 kg more than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 1970 Cadillac Calais | |
| Make | Buick | Cadillac |
| Model | Regal | Calais |
| Year Released | 2004 | 1970 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 251 HP | 228 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Vehicle Weight | 1598 kg | 2100 kg |
| Vehicle Length | 4990 mm | 5730 mm |
| Wheelbase Size | 2780 mm | 3300 mm |
