1956 Armstrong Siddeley Sapphire vs. 2004 BMW X5
To start off, 2004 BMW X5 is newer by 48 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 4,802 cc (8 cylinders), 2004 BMW X5 is equipped with a bigger engine. In terms of performance, 2004 BMW X5 (355 HP @ 7400 RPM) has 270 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2004 BMW X5 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 915 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.
Because 2004 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1956 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2004 BMW X5 will offer significantly more control. 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, 2004 BMW X5 (500 Nm) has 340 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm). This means 2004 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2004 BMW X5 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | X5 |
| Year Released | 1956 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4802 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 355 HP |
| Engine RPM | 4400 RPM | 7400 RPM |
| Torque | 160 Nm | 500 Nm |
| Engine Compression Ratio | 7.5:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 2275 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1570 mm | 1760 mm |
| Wheelbase Size | 2900 mm | 2890 mm |
