1956 Armstrong Siddeley Sapphire vs. 2001 Jaguar XJR
To start off, 2001 Jaguar XJR is newer by 45 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 3,996 cc (8 cylinders), 2001 Jaguar XJR is equipped with a bigger engine. In terms of performance, 2001 Jaguar XJR (390 HP @ 6100 RPM) has 305 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2001 Jaguar XJR should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2001 Jaguar XJR weights approximately 409 kg more than 1956 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, 2001 Jaguar XJR (525 Nm) has 365 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm). This means 2001 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 2001 Jaguar XJR has automatic transmission and 1956 Armstrong Siddeley Sapphire has manual transmission. 1956 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Jaguar XJR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2001 Jaguar XJR | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XJR |
| Year Released | 1956 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 390 HP |
| Engine RPM | 4400 RPM | 6100 RPM |
| Torque | 160 Nm | 525 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1360 kg | 1769 kg |
| Vehicle Length | 4580 mm | 5030 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1570 mm | 1350 mm |
| Wheelbase Size | 2900 mm | 2880 mm |
