1955 Armstrong Siddeley Sapphire vs. 2004 Xedos 9
To start off, 2004 Xedos 9 is newer by 49 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 2,497 cc (6 cylinders), 2004 Xedos 9 is equipped with a bigger engine. In terms of performance, 2004 Xedos 9 (161 HP @ 6000 RPM) has 76 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2004 Xedos 9 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2004 Xedos 9 weights approximately 225 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.
Let's talk about torque, 2004 Xedos 9 (212 Nm @ 4900 RPM) has 52 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2004 Xedos 9 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2004 Xedos 9 | |
| Make | Armstrong Siddeley | Xedos |
| Model | Sapphire | 9 |
| Year Released | 1955 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 161 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 160 Nm | 212 Nm |
| Torque RPM | 1750 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1360 kg | 1585 kg |
| Vehicle Length | 4580 mm | 4880 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1400 mm |
| Wheelbase Size | 2900 mm | 2760 mm |
