2007 BMW 523 vs. 1975 Cadillac Calais
To start off, 2007 BMW 523 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1975 Cadillac Calais would be higher. At 8,192 cc (8 cylinders), 1975 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1975 Cadillac Calais (180 HP @ 4400 RPM) has 5 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 1975 Cadillac Calais should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Calais weights approximately 784 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2007 BMW 523 | 1975 Cadillac Calais | |
| Make | BMW | Cadillac |
| Model | 523 | Calais |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 8192 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 175 HP | 180 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1490 kg | 2274 kg |
| Vehicle Width | 1470 mm | 2030 mm |
| Wheelbase Size | 2890 mm | 3310 mm |
