2009 Cadillac BLS vs. 1981 Monteverdi Sierra
To start off, 2009 Cadillac BLS is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Monteverdi Sierra. In addition, the cost of maintenance, including insurance, on 1981 Monteverdi Sierra would be higher. At 5,898 cc (8 cylinders), 1981 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2009 Cadillac BLS (252 HP @ 5500 RPM) has 65 more horse power than 1981 Monteverdi Sierra. (187 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 1981 Monteverdi Sierra.
Compare all specifications:
| 2009 Cadillac BLS | 1981 Monteverdi Sierra | |
| Make | Cadillac | Monteverdi |
| Model | BLS | Sierra |
| Year Released | 2009 | 1981 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 5898 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 252 HP | 187 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Length | 4690 mm | 4690 mm |
| Wheelbase Size | 2680 mm | 2750 mm |
