1953 Armstrong Siddeley Sapphire vs. 1994 Jaguar XJS
To start off, 1994 Jaguar XJS is newer by 41 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 3,980 cc (6 cylinders), 1994 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1994 Jaguar XJS (223 HP @ 4750 RPM) has 98 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 1994 Jaguar XJS should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1994 Jaguar XJS weights approximately 155 kg more than 1953 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, 1994 Jaguar XJS (377 Nm @ 3650 RPM) has 138 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 1994 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1953 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 1994 Jaguar XJS | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XJS |
| Year Released | 1953 | 1994 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 223 HP |
| Engine RPM | 4400 RPM | 4750 RPM |
| Torque | 239 Nm | 377 Nm |
| Torque RPM | 1000 RPM | 3650 RPM |
| Engine Compression Ratio | 7.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1730 kg |
| Vehicle Length | 4910 mm | 4770 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1610 mm | 1260 mm |
| Wheelbase Size | 2900 mm | 2600 mm |
| Fuel Tank Capacity | 72 L | 82 L |
