1955 Armstrong Siddeley Sapphire vs. 2002 Jaguar XK8
To start off, 2002 Jaguar XK8 is newer by 47 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 4,195 cc (8 cylinders), 2002 Jaguar XK8 is equipped with a bigger engine. In terms of performance, 2002 Jaguar XK8 (300 HP @ 6100 RPM) has 215 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2002 Jaguar XK8 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2002 Jaguar XK8 weights approximately 325 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, 2002 Jaguar XK8 (420 Nm @ 4100 RPM) has 260 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2002 Jaguar XK8 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2002 Jaguar XK8 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. 2002 Jaguar XK8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2002 Jaguar XK8 | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | XK8 |
| Year Released | 1955 | 2002 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 300 HP |
| Engine RPM | 4400 RPM | 6100 RPM |
| Torque | 160 Nm | 420 Nm |
| Torque RPM | 1750 RPM | 4100 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 100 mm | 90.3 mm |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1685 kg |
| Vehicle Length | 4580 mm | 4770 mm |
| Vehicle Height | 1570 mm | 1300 mm |
| Wheelbase Size | 2900 mm | 2590 mm |
