1981 Alfa Romeo Alfa 6 vs. 1978 Monteverdi Sierra
To start off, 1981 Alfa Romeo Alfa 6 is newer by 3 year(s). Which means there will be less support and parts availability for 1978 Monteverdi Sierra. In addition, the cost of maintenance, including insurance, on 1978 Monteverdi Sierra would be higher. At 5,898 cc (8 cylinders), 1978 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 1978 Monteverdi Sierra (187 HP @ 4000 RPM) has 83 more horse power than 1981 Alfa Romeo Alfa 6. (104 HP @ 4300 RPM) In normal driving conditions, 1978 Monteverdi Sierra should accelerate faster than 1981 Alfa Romeo Alfa 6.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 1978 Monteverdi Sierra | |
| Make | Alfa Romeo | Monteverdi |
| Model | Alfa 6 | Sierra |
| Year Released | 1981 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 5898 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 187 HP |
| Engine RPM | 4300 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Length | 4690 mm | 4690 mm |
| Wheelbase Size | 2610 mm | 2750 mm |
