1957 Armstrong Siddeley Sapphire vs. 1966 Holden EH
To start off, 1966 Holden EH is newer by 9 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 2,930 cc (6 cylinders), 1966 Holden EH is equipped with a bigger engine. In terms of performance, 1966 Holden EH (100 HP @ 4000 RPM) has 15 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1966 Holden EH should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1957 Armstrong Siddeley Sapphire weights approximately 175 kg more than 1966 Holden EH.
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. Let's talk about torque, 1966 Holden EH (237 Nm @ 1600 RPM) has 76 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1966 Holden EH will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 1966 Holden EH | |
| Make | Armstrong Siddeley | Holden |
| Model | Sapphire | EH |
| Year Released | 1957 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2930 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 100 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 161 Nm | 237 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1360 kg | 1185 kg |
| Vehicle Length | 4580 mm | 4560 mm |
| Vehicle Width | 1750 mm | 1740 mm |
| Vehicle Height | 1570 mm | 1490 mm |
| Wheelbase Size | 2900 mm | 2680 mm |
