1981 BMW 745 vs. 1971 Cadillac Calais
To start off, 1981 BMW 745 is newer by 10 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, 1981 BMW 745 (252 HP @ 5200 RPM) has 24 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 510 kg more than 1981 BMW 745.
Compare all specifications:
| 1981 BMW 745 | 1971 Cadillac Calais | |
| Make | BMW | Cadillac |
| Model | 745 | Calais |
| Year Released | 1981 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 7733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 228 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Vehicle Weight | 1590 kg | 2100 kg |
| Vehicle Length | 4870 mm | 5750 mm |
| Wheelbase Size | 2800 mm | 3310 mm |
