1953 Armstrong Siddeley Sapphire vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 54 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (350 HP @ 6600 RPM) has 225 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 40 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1953 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 161 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1953 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 2007 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 911 |
| Year Released | 1953 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3435 cc | 3824 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 350 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 239 Nm | 400 Nm |
| Torque RPM | 1000 RPM | 4600 RPM |
| Engine Compression Ratio | 7.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 141 km/hour | 288 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1535 kg |
| Vehicle Length | 4910 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1610 mm | 1310 mm |
| Wheelbase Size | 2900 mm | 2360 mm |
| Fuel Tank Capacity | 72 L | 67 L |
