2003 BMW 645 vs. 1974 Cadillac Calais
To start off, 2003 BMW 645 is newer by 29 year(s). Which means there will be less support and parts availability for 1974 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1974 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1974 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 117 more horse power than 1974 Cadillac Calais. (193 HP @ 4400 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 1974 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1974 Cadillac Calais weights approximately 562 kg more than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 1974 Cadillac Calais | |
| Make | BMW | Cadillac |
| Model | 645 | Calais |
| Year Released | 2003 | 1974 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 7734 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 310 HP | 193 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Vehicle Weight | 1698 kg | 2260 kg |
| Vehicle Length | 4830 mm | 5880 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Wheelbase Size | 2790 mm | 3310 mm |
