1986 BMW M6 vs. 1971 Cadillac Calais
To start off, 1986 BMW M6 is newer by 15 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, 1986 BMW M6 (282 HP @ 6500 RPM) has 54 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 1986 BMW M6 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 595 kg more than 1986 BMW M6.
Compare all specifications:
| 1986 BMW M6 | 1971 Cadillac Calais | |
| Make | BMW | Cadillac |
| Model | M6 | Calais |
| Year Released | 1986 | 1971 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 7733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 282 HP | 228 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1505 kg | 2100 kg |
| Vehicle Length | 4760 mm | 5750 mm |
| Wheelbase Size | 2630 mm | 3310 mm |
