1971 AC 428 vs. 1978 Monteverdi Sierra
To start off, 1978 Monteverdi Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 111 more horse power than 1978 Monteverdi Sierra. (187 HP @ 4000 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1978 Monteverdi Sierra.
Compare all specifications:
| 1971 AC 428 | 1978 Monteverdi Sierra | |
| Make | AC | Monteverdi |
| Model | 428 | Sierra |
| Year Released | 1971 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 5898 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 187 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4690 mm |
| Wheelbase Size | 2450 mm | 2750 mm |
