1955 Armstrong Siddeley Sapphire vs. 1976 Porsche 911
To start off, 1976 Porsche 911 is newer by 21 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 2,994 cc (6 cylinders), 1976 Porsche 911 is equipped with a bigger engine. In terms of performance, 1976 Porsche 911 (200 HP @ 6000 RPM) has 82 more horse power than 1955 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 1976 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 490 kg more than 1976 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, 1976 Porsche 911 (260 Nm @ 4200 RPM) has 71 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (189 Nm @ 3500 RPM). This means 1976 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 | 1976 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Sapphire | 911 |
| Year Released | 1955 | 1976 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2290 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 118 HP | 200 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 189 Nm | 260 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Compression Ratio | 7.5:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1160 kg |
| Vehicle Length | 4580 mm | 4300 mm |
| Vehicle Width | 1750 mm | 1660 mm |
| Vehicle Height | 1570 mm | 1330 mm |
| Wheelbase Size | 2900 mm | 2280 mm |
| Fuel Tank Capacity | 72 L | 79 L |
