1955 Armstrong Siddeley Sapphire vs. 1992 BMW 520
To start off, 1992 BMW 520 is newer by 37 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 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1992 BMW 520 (148 HP @ 5900 RPM) has 63 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1992 BMW 520 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 520 weights approximately 128 kg more than 1955 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, 1992 BMW 520 (190 Nm @ 4700 RPM) has 30 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1992 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1992 BMW 520 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 520 |
| Year Released | 1955 | 1992 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1990 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 4400 RPM | 5900 RPM |
| Torque | 160 Nm | 190 Nm |
| Torque RPM | 1750 RPM | 4700 RPM |
| Engine Bore Size | 70 mm | 80.1 mm |
| Engine Stroke Size | 100 mm | 66 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1488 kg |
| Vehicle Length | 4580 mm | 4730 mm |
| Vehicle Width | 1730 mm | 1760 mm |
| Vehicle Height | 1570 mm | 1400 mm |
