1956 Armstrong Siddeley Sapphire vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 51 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 2,457 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (173 HP @ 6000 RPM) has 88 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 1956 Armstrong Siddeley Sapphire.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1956 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza 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 Subaru Impreza (225 Nm @ 4400 RPM) has 65 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2007 Subaru Impreza | |
| Make | Armstrong Siddeley | Subaru |
| Model | Sapphire | Impreza |
| Year Released | 1956 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2457 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 173 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 160 Nm | 225 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Compression Ratio | 7.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4580 mm | 4470 mm |
| Vehicle Width | 1730 mm | 1750 mm |
| Vehicle Height | 1570 mm | 1450 mm |
| Wheelbase Size | 2900 mm | 2530 mm |
