1953 Armstrong Siddeley Sapphire vs. 1979 BMW 728
To start off, 1979 BMW 728 is newer by 26 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 3,435 cc (6 cylinders), 1953 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 56 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 1979 BMW 728 should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 105 kg more than 1979 BMW 728.
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, 1979 BMW 728 (240 Nm @ 4200 RPM) has 1 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 1979 BMW 728 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 | 1979 BMW 728 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 728 |
| Year Released | 1953 | 1979 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 181 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 239 Nm | 240 Nm |
| Torque RPM | 1000 RPM | 4200 RPM |
| Engine Compression Ratio | 7.0:1 | 9.3:1 |
| Top Speed | 141 km/hour | 201 km/hour |
| 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 | 1470 kg |
| Vehicle Length | 4910 mm | 4870 mm |
| Vehicle Width | 1840 mm | 1810 mm |
| Vehicle Height | 1610 mm | 1440 mm |
| Wheelbase Size | 2900 mm | 2800 mm |
| Fuel Tank Capacity | 72 L | 100 L |
