1957 Armstrong Siddeley Sapphire vs. 1995 BMW Just 4
To start off, 1995 BMW Just 4 is newer by 38 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 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1995 BMW Just 4 (140 HP @ 4800 RPM) has 55 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1995 BMW Just 4 should accelerate faster than 1957 Armstrong Siddeley Sapphire.
Because 1995 BMW Just 4 is four wheel drive (4WD), it will have significant more traction and grip than 1957 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 1995 BMW Just 4 will offer significantly more control. 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, 1995 BMW Just 4 (260 Nm) has 99 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm). This means 1995 BMW Just 4 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 | 1995 BMW Just 4 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | Just 4 |
| Year Released | 1957 | 1995 |
| Engine Position | Front | Rear |
| Engine Size | 2309 cc | 1097 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 140 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 161 Nm | 260 Nm |
| Drive Type | Rear | 4WD |
| Wheelbase Size | 2900 mm | 2730 mm |
