1955 Armstrong Siddeley Sapphire vs. 1992 Porsche 911
To start off, 1992 Porsche 911 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 3,594 cc (6 cylinders), 1992 Porsche 911 is equipped with a bigger engine. In terms of performance, 1992 Porsche 911 (355 HP @ 5550 RPM) has 230 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1992 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 360 kg more than 1992 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, 1992 Porsche 911 (520 Nm @ 4200 RPM) has 273 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1992 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 | 1992 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 911 |
| Year Released | 1955 | 1992 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3435 cc | 3594 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 125 HP | 355 HP |
| Engine RPM | 4700 RPM | 5550 RPM |
| Torque | 247 Nm | 520 Nm |
| Torque RPM | 2000 RPM | 4200 RPM |
| Engine Bore Size | 90 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Engine Compression Ratio | 7.0:1 | 7.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1470 kg |
| Vehicle Length | 5390 mm | 4260 mm |
| Vehicle Width | 1840 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1310 mm |
| Wheelbase Size | 3380 mm | 2270 mm |
| Fuel Tank Capacity | 72 L | 78 L |
