1955 Armstrong Siddeley Sapphire vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 50 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 3,822 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (350 HP @ 6600 RPM) has 265 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 115 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.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1955 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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 Porsche 911 (400 Nm @ 4600 RPM) has 240 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2005 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 | 2005 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 911 |
| Year Released | 1955 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2309 cc | 3822 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 350 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 160 Nm | 400 Nm |
| Torque RPM | 1750 RPM | 4600 RPM |
| Engine Bore Size | 70 mm | 99 mm |
| Engine Stroke Size | 100 mm | 82.8 mm |
| Engine Compression Ratio | 7.5:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1475 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1570 mm | 1310 mm |
| Wheelbase Size | 2900 mm | 2360 mm |
