2003 BMW 645 vs. 1978 Monteverdi Sierra
To start off, 2003 BMW 645 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 5,898 cc (8 cylinders), 1978 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 138 more horse power than 1978 Monteverdi Sierra. (187 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 1978 Monteverdi Sierra.
Compare all specifications:
| 2003 BMW 645 | 1978 Monteverdi Sierra | |
| Make | BMW | Monteverdi |
| Model | 645 | Sierra |
| Year Released | 2003 | 1978 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5898 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 325 HP | 187 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Vehicle Length | 4830 mm | 4690 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
