1971 Cadillac Calais vs. 2011 BMW 550
To start off, 2011 BMW 550 is newer by 40 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, 2011 BMW 550 (400 HP @ 5500 RPM) has 172 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM) In normal driving conditions, 2011 BMW 550 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 550 weights approximately 120 kg more than 1971 Cadillac Calais. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1971 Cadillac Calais | 2011 BMW 550 | |
| Make | Cadillac | BMW |
| Model | Calais | 550 |
| Year Released | 1971 | 2011 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 400 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 2100 kg | 2220 kg |
| Vehicle Length | 5750 mm | 4999 mm |
| Wheelbase Size | 3310 mm | 3071 mm |
