1955 Armstrong Siddeley Sapphire vs. 1981 BMW 520
To start off, 1981 BMW 520 is newer by 26 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, 1981 BMW 520 (123 HP @ 5800 RPM) has 38 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1981 BMW 520 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 140 kg more than 1981 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, 1981 BMW 520 (170 Nm @ 4000 RPM) has 10 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1981 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 | 1981 BMW 520 | |
Make | Armstrong Siddeley | BMW |
Model | Sapphire | 520 |
Year Released | 1955 | 1981 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2309 cc | 1991 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 85 HP | 123 HP |
Engine RPM | 4400 RPM | 5800 RPM |
Torque | 160 Nm | 170 Nm |
Torque RPM | 1750 RPM | 4000 RPM |
Engine Bore Size | 70 mm | 80 mm |
Engine Stroke Size | 100 mm | 66 mm |
Engine Compression Ratio | 7.5:1 | 9.8:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1360 kg | 1220 kg |
Vehicle Length | 4580 mm | 4630 mm |
Vehicle Width | 1730 mm | 1710 mm |
Vehicle Height | 1570 mm | 1430 mm |
Wheelbase Size | 2900 mm | 2630 mm |