1955 Armstrong Siddeley Sapphire vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 58 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 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (493 HP @ 6500 RPM) has 368 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 2013 Porsche 911 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 260 kg more than 2013 Porsche 911.
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, 2013 Porsche 911 (649 Nm @ 5000 RPM) has 402 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 2013 Porsche 911 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 | 2013 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 911 |
| Year Released | 1955 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3435 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 493 HP |
| Engine RPM | 4700 RPM | 6500 RPM |
| Torque | 247 Nm | 649 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 90 mm | 102 mm |
| Engine Stroke Size | 90 mm | 77 mm |
| Engine Compression Ratio | 7.0:1 | 9.8 : 1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1570 kg |
| Vehicle Length | 5390 mm | 4450 mm |
| Vehicle Width | 1840 mm | 1852 mm |
| Vehicle Height | 1680 mm | 1300 mm |
| Wheelbase Size | 3380 mm | 2350 mm |
