1978 Monteverdi Sierra vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 25 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 5,210 cc (8 cylinders), 1978 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 2 more horse power than 1978 Monteverdi Sierra. (150 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1978 Monteverdi Sierra.
Compare all specifications:
| 1978 Monteverdi Sierra | 2003 Opel Signum | |
| Make | Monteverdi | Opel |
| Model | Sierra | Signum |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5210 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 152 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Vehicle Length | 4890 mm | 4640 mm |
| Wheelbase Size | 2860 mm | 2840 mm |
