1955 Armstrong Siddeley Sapphire vs. 1989 Jaguar XJS
To start off, 1989 Jaguar XJS is newer by 34 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 3,980 cc (6 cylinders), 1989 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1989 Jaguar XJS (235 HP @ 4750 RPM) has 117 more horse power than 1955 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 1989 Jaguar XJS should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1989 Jaguar XJS weights approximately 100 kg more than 1955 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1989 Jaguar XJS (387 Nm @ 3750 RPM) has 198 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (189 Nm @ 3500 RPM). This means 1989 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 1989 Jaguar XJS has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Jaguar XJS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1989 Jaguar XJS | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XJS |
| Year Released | 1955 | 1989 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2290 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 235 HP |
| Engine RPM | 5000 RPM | 4750 RPM |
| Torque | 189 Nm | 387 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Top Speed | 155 km/hour | 224 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1750 kg |
| Vehicle Length | 4580 mm | 4770 mm |
| Vehicle Width | 1750 mm | 1890 mm |
| Vehicle Height | 1570 mm | 1270 mm |
| Wheelbase Size | 2900 mm | 2600 mm |
