1957 Armstrong Siddeley Sapphire vs. 2004 BMW 525
To start off, 2004 BMW 525 is newer by 47 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 2,497 cc (6 cylinders), 2004 BMW 525 is equipped with a bigger engine. In terms of performance, 2004 BMW 525 (189 HP @ 4000 RPM) has 104 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2004 BMW 525 should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 404 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.
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, 2004 BMW 525 (400 Nm @ 2000 RPM) has 239 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 2004 BMW 525 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 | 2004 BMW 525 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 525 |
| Year Released | 1957 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2309 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 | 189 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 161 Nm | 400 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 70 mm | 84 mm |
| Engine Stroke Size | 100 mm | 75.1 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1764 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1500 mm |
| Wheelbase Size | 2900 mm | 2890 mm |
| Fuel Tank Capacity | 72 L | 70 L |
