1956 Armstrong Siddeley Sapphire vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 52 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 2,497 cc (6 cylinders), 2008 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 BMW 525 (215 HP @ 6500 RPM) has 130 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2008 BMW 525 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 115 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.
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, 2008 BMW 525 (250 Nm @ 2900 RPM) has 90 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2008 BMW 525 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 | 2008 BMW 525 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 525 |
| Year Released | 1956 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2307 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 | 215 HP |
| Engine RPM | 4400 RPM | 6500 RPM |
| Torque | 160 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 2900 RPM |
| Engine Bore Size | 70 mm | 82 mm |
| Engine Stroke Size | 100 mm | 78.8 mm |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1475 kg |
| Vehicle Length | 4580 mm | 5050 mm |
| Vehicle Height | 1570 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2890 mm |
