1956 Armstrong Siddeley Sapphire vs. 2008 Jaguar XJR
To start off, 2008 Jaguar XJR is newer by 52 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 4,196 cc (8 cylinders), 2008 Jaguar XJR is equipped with a bigger engine. In terms of performance, 2008 Jaguar XJR (400 HP @ 6100 RPM) has 315 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2008 Jaguar XJR should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jaguar XJR weights approximately 374 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, 2008 Jaguar XJR (561 Nm @ 3500 RPM) has 401 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2008 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 2008 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. 2008 Jaguar XJR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2008 Jaguar XJR | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XJR |
| Year Released | 1956 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 400 HP |
| Engine RPM | 4400 RPM | 6100 RPM |
| Torque | 160 Nm | 561 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 100 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1734 kg |
| Vehicle Length | 4580 mm | 5100 mm |
| Vehicle Width | 1730 mm | 1870 mm |
| Vehicle Height | 1570 mm | 1450 mm |
| Wheelbase Size | 2900 mm | 3040 mm |
