1955 Armstrong Siddeley Sapphire vs. 1984 Jaguar XJS
To start off, 1984 Jaguar XJS is newer by 29 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 3,590 cc (6 cylinders), 1984 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1984 Jaguar XJS (217 HP @ 5300 RPM) has 92 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1984 Jaguar XJS 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 200 kg more than 1984 Jaguar XJS.
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, 1984 Jaguar XJS (325 Nm @ 4000 RPM) has 78 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1984 Jaguar XJS 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 | 1984 Jaguar XJS | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XJS |
| Year Released | 1955 | 1984 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 3590 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 217 HP |
| Engine RPM | 4700 RPM | 5300 RPM |
| Torque | 247 Nm | 325 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 90 mm | 91.1 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1630 kg |
| Vehicle Length | 5390 mm | 4880 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1270 mm |
| Wheelbase Size | 3380 mm | 2600 mm |
| Fuel Tank Capacity | 72 L | 90 L |
