2009 Citroen C6 vs. 1981 Monteverdi Sierra
To start off, 2009 Citroen C6 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 5,210 cc (8 cylinders), 1981 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (209 HP @ 6000 RPM) has 59 more horse power than 1981 Monteverdi Sierra. (150 HP @ 4000 RPM). In normal driving conditions, 2009 Citroen C6 should accelerate faster than 1981 Monteverdi Sierra.
Compare all specifications:
| 2009 Citroen C6 | 1981 Monteverdi Sierra | |
| Make | Citroen | Monteverdi |
| Model | C6 | Sierra |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 209 HP | 150 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Length | 4910 mm | 4890 mm |
| Wheelbase Size | 2910 mm | 2860 mm |
