1956 Armstrong Siddeley Sapphire vs. 1978 Monteverdi Sierra
To start off, 1978 Monteverdi Sierra is newer by 22 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire 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 102 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1978 Monteverdi Sierra should accelerate faster than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1978 Monteverdi Sierra | |
| Make | Armstrong Siddeley | Monteverdi |
| Model | Sapphire | Sierra |
| Year Released | 1956 | 1978 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 5898 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 187 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4580 mm | 4690 mm |
| Wheelbase Size | 2900 mm | 2750 mm |
