1970 AMC AMX III vs. 1957 Armstrong Siddeley Sapphire
To start off, 1970 AMC AMX III is newer by 13 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 6,375 cc (8 cylinders), 1970 AMC AMX III is equipped with a bigger engine. In terms of performance, 1970 AMC AMX III (341 HP) has 256 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP). In normal driving conditions, 1970 AMC AMX III should accelerate faster than 1957 Armstrong Siddeley Sapphire.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1970 AMC AMX III | 1957 Armstrong Siddeley Sapphire | |
| Make | AMC | Armstrong Siddeley |
| Model | AMX III | Sapphire |
| Year Released | 1970 | 1957 |
| Engine Position | Middle | Front |
| Engine Size | 6375 cc | 2309 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 341 HP | 85 HP |
| Engine Bore Size | 105.9 mm | 70 mm |
| Engine Stroke Size | 90.7 mm | 100 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Wheelbase Size | 2670 mm | 2900 mm |
