2005 Alfa Romeo 156 vs. 1981 Monteverdi Sierra
To start off, 2005 Alfa Romeo 156 is newer by 24 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 5,210 cc (8 cylinders), 1981 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 97 more horse power than 1981 Monteverdi Sierra. (150 HP @ 4000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1981 Monteverdi Sierra.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1981 Monteverdi Sierra | |
| Make | Alfa Romeo | Monteverdi |
| Model | 156 | Sierra |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 5210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 150 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Vehicle Length | 4440 mm | 4890 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
