1955 Armstrong Siddeley Sapphire vs. 1991 Citroen BX
To start off, 1991 Citroen BX is newer by 36 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 3,435 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1955 Armstrong Siddeley Sapphire (125 HP @ 4700 RPM) has 51 more horse power than 1991 Citroen BX. (74 HP @ 5600 RPM). In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1991 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 930 kg more than 1991 Citroen BX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1955 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 1955 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 1991 Citroen BX, 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, 1955 Armstrong Siddeley Sapphire (247 Nm @ 2000 RPM) has 136 more torque (in Nm) than 1991 Citroen BX. (111 Nm @ 3400 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen BX.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1991 Citroen BX | |
| Make | Armstrong Siddeley | Citroen |
| Model | Sapphire | BX |
| Year Released | 1955 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 1360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 74 HP |
| Engine RPM | 4700 RPM | 5600 RPM |
| Torque | 247 Nm | 111 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 90 mm | 75.1 mm |
| Engine Stroke Size | 90 mm | 77 mm |
| Engine Compression Ratio | 7.0:1 | 10.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 900 kg |
| Vehicle Length | 5390 mm | 4240 mm |
| Vehicle Width | 1840 mm | 1680 mm |
| Vehicle Height | 1680 mm | 1370 mm |
| Wheelbase Size | 3380 mm | 2660 mm |
| Fuel Tank Capacity | 72 L | 43 L |
