1953 Armstrong Siddeley Sapphire vs. 2006 BMW 550
To start off, 2006 BMW 550 is newer by 53 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 235 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 2006 BMW 550 should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 150 kg more than 1953 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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 249 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1953 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 2006 BMW 550 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 550 |
| Year Released | 1953 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 360 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Torque | 239 Nm | 488 Nm |
| Torque RPM | 1000 RPM | 3400 RPM |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1575 kg | 1725 kg |
| Vehicle Length | 4910 mm | 4880 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1610 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2890 mm |
| Fuel Tank Capacity | 72 L | 70 L |
