1956 Armstrong Siddeley Sapphire vs. 2005 BMW 740
To start off, 2005 BMW 740 is newer by 49 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 4,000 cc (8 cylinders), 2005 BMW 740 is equipped with a bigger engine. In terms of performance, 2005 BMW 740 (317 HP @ 6300 RPM) has 232 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2005 BMW 740 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 535 kg more than 1956 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, 2005 BMW 740 (391 Nm @ 3500 RPM) has 231 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 2005 BMW 740 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. 2005 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2005 BMW 740 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 740 |
| Year Released | 1956 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 317 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Torque | 160 Nm | 391 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 87 mm |
| Engine Stroke Size | 100 mm | 84.1 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1895 kg |
| Vehicle Length | 4580 mm | 5050 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1570 mm | 1500 mm |
| Wheelbase Size | 2900 mm | 3000 mm |
