1955 Armstrong Siddeley Sapphire vs. 1959 Jaguar MK IX
To start off, 1959 Jaguar MK IX is newer by 4 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 3,781 cc (6 cylinders), 1959 Jaguar MK IX is equipped with a bigger engine. In terms of performance, 1959 Jaguar MK IX (220 HP @ 5500 RPM) has 95 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1959 Jaguar MK IX should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 73 kg more than 1959 Jaguar MK IX.
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, 1959 Jaguar MK IX (326 Nm @ 3000 RPM) has 79 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1959 Jaguar MK IX will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1959 Jaguar MK IX | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | MK IX |
| Year Released | 1955 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 3781 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 220 HP |
| Engine RPM | 4700 RPM | 5500 RPM |
| Torque | 247 Nm | 326 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 90 mm | 87 mm |
| Engine Stroke Size | 90 mm | 106 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1757 kg |
| Vehicle Length | 5390 mm | 5000 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1680 mm | 1610 mm |
| Wheelbase Size | 3380 mm | 3050 mm |
| Fuel Tank Capacity | 72 L | 77 L |
