2006 BMW 630 vs. 1971 Cadillac Calais
To start off, 2006 BMW 630 is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 26 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 340 kg more than 2006 BMW 630.
Compare all specifications:
| 2006 BMW 630 | 1971 Cadillac Calais | |
| Make | BMW | Cadillac |
| Model | 630 | Calais |
| Year Released | 2006 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 7733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 254 HP | 228 HP |
| Engine RPM | 6600 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1760 kg | 2100 kg |
| Vehicle Length | 4830 mm | 5750 mm |
| Wheelbase Size | 2790 mm | 3310 mm |
