1955 Armstrong Siddeley Sapphire vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 52 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 3,598 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (287 HP @ 6200 RPM) has 202 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 800 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 2007 Porsche Cayenne 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, 2007 Porsche Cayenne 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 Cayenne (385 Nm @ 3000 RPM) has 225 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2007 Porsche Cayenne has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2007 Porsche Cayenne | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | Cayenne |
| Year Released | 1955 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 287 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 160 Nm | 385 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 70 mm | 89 mm |
| Engine Stroke Size | 100 mm | 96.4 mm |
| Engine Compression Ratio | 7.5:1 | 12.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 2160 kg |
| Vehicle Length | 4580 mm | 4430 mm |
| Vehicle Width | 1730 mm | 1930 mm |
| Vehicle Height | 1570 mm | 1710 mm |
| Wheelbase Size | 2900 mm | 2860 mm |
