1955 Armstrong Siddeley Sapphire vs. 2006 BMW 740
To start off, 2006 BMW 740 is newer by 51 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 3,999 cc (8 cylinders), 2006 BMW 740 is equipped with a bigger engine. In terms of performance, 2006 BMW 740 (302 HP @ 3700 RPM) has 217 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2006 BMW 740 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 740 weights approximately 585 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, 2006 BMW 740 (390 Nm @ 3700 RPM) has 230 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2006 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 | 2006 BMW 740 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 740 |
| Year Released | 1955 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 302 HP |
| Engine RPM | 4400 RPM | 3700 RPM |
| Torque | 160 Nm | 390 Nm |
| Torque RPM | 1750 RPM | 3700 RPM |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1945 kg |
| Vehicle Length | 4580 mm | 5040 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1570 mm | 1500 mm |
| Wheelbase Size | 2900 mm | 3000 mm |
