1972 AMC Javelin vs. 1956 Armstrong Siddeley Sapphire
To start off, 1972 AMC Javelin is newer by 16 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 4,228 cc (6 cylinders), 1972 AMC Javelin is equipped with a bigger engine. In terms of performance, 1972 AMC Javelin (110 HP @ 3500 RPM) has 25 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1972 AMC Javelin should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 18 kg more than 1972 AMC Javelin.
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, 1972 AMC Javelin (264 Nm @ 2000 RPM) has 104 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1972 AMC Javelin will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 1972 AMC Javelin has automatic transmission and 1956 Armstrong Siddeley Sapphire has manual transmission. 1956 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1972 AMC Javelin will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1972 AMC Javelin | 1956 Armstrong Siddeley Sapphire | |
| Make | AMC | Armstrong Siddeley |
| Model | Javelin | Sapphire |
| Year Released | 1972 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 4228 cc | 2307 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 85 HP |
| Engine RPM | 3500 RPM | 4400 RPM |
| Torque | 264 Nm | 160 Nm |
| Torque RPM | 2000 RPM | 1750 RPM |
| Engine Bore Size | 95.2 mm | 70 mm |
| Engine Stroke Size | 99 mm | 100 mm |
| Engine Compression Ratio | 8.0:1 | 7.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1342 kg | 1360 kg |
| Vehicle Length | 4880 mm | 4580 mm |
| Vehicle Width | 1920 mm | 1730 mm |
| Vehicle Height | 1300 mm | 1570 mm |
| Wheelbase Size | 2800 mm | 2900 mm |
