1957 Armstrong Siddeley Sapphire vs. 1989 Citroen XM
To start off, 1989 Citroen XM is newer by 32 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (141 HP @ 4600 RPM) has 56 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1989 Citroen XM should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 140 kg more than 1957 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1957 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 1989 Citroen XM, being front wheel drive (FWD), will offer much better control with better grip. 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, 1989 Citroen XM (225 Nm @ 2200 RPM) has 64 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 1989 Citroen XM | |
| Make | Armstrong Siddeley | Citroen |
| Model | Sapphire | XM |
| Year Released | 1957 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1905 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 141 HP |
| Engine RPM | 4400 RPM | 4600 RPM |
| Torque | 161 Nm | 225 Nm |
| Torque RPM | 1750 RPM | 2200 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1500 kg |
| Vehicle Length | 4580 mm | 4970 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1570 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2860 mm |
| Fuel Tank Capacity | 72 L | 80 L |
