1955 Armstrong Siddeley Sapphire vs. 1992 BMW 740
To start off, 1992 BMW 740 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 3,982 cc (8 cylinders), 1992 BMW 740 is equipped with a bigger engine. In terms of performance, 1992 BMW 740 (282 HP @ 5800 RPM) has 157 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1992 BMW 740 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 1992 BMW 740.
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 740 (400 Nm @ 5100 RPM) has 153 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1992 BMW 740 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 740 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 740 |
| Year Released | 1955 | 1992 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 3982 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 282 HP |
| Engine RPM | 4700 RPM | 5800 RPM |
| Torque | 247 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 5100 RPM |
| Engine Bore Size | 90 mm | 89 mm |
| Engine Stroke Size | 90 mm | 80 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1690 kg |
| Vehicle Length | 5390 mm | 4920 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1680 mm | 1420 mm |
| Wheelbase Size | 3380 mm | 2840 mm |
| Fuel Tank Capacity | 72 L | 90 L |
