1956 Armstrong Siddeley Sapphire vs. 1988 BMW 520
To start off, 1988 BMW 520 is newer by 32 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 2,290 cc (6 cylinders), 1956 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1988 BMW 520 (129 HP @ 6000 RPM) has 11 more horse power than 1956 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 1988 BMW 520 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 80 kg more than 1988 BMW 520.
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, 1956 Armstrong Siddeley Sapphire (189 Nm @ 3500 RPM) has 15 more torque (in Nm) than 1988 BMW 520. (174 Nm @ 4000 RPM). This means 1956 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 520. 1988 BMW 520 has automatic transmission and 1956 Armstrong Siddeley Sapphire has manual transmission. 1956 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 BMW 520 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1988 BMW 520 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 520 |
| Year Released | 1956 | 1988 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2290 cc | 1989 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 129 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 189 Nm | 174 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1570 kg |
| Vehicle Length | 4910 mm | 4780 mm |
| Vehicle Width | 1840 mm | 1810 mm |
| Vehicle Height | 1670 mm | 1440 mm |
| Wheelbase Size | 2900 mm | 2770 mm |
| Fuel Tank Capacity | 72 L | 70 L |
