1958 Armstrong Siddeley Star Sapphire vs. 2008 Subaru Impreza
To start off, 2008 Subaru Impreza is newer by 50 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 2008 Subaru Impreza (158 HP @ 6400 RPM) has 13 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2008 Subaru Impreza should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 468 kg more than 2008 Subaru Impreza.
Because 2008 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1958 Armstrong Siddeley Star Sapphire. In wet, icy, snow, or gravel driving conditions, 2008 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, 1958 Armstrong Siddeley Star Sapphire (312 Nm @ 2000 RPM) has 126 more torque (in Nm) than 2008 Subaru Impreza. (186 Nm @ 3200 RPM). This means 1958 Armstrong Siddeley Star Sapphire will have an easier job in driving up hills or pulling heavy equipment than 2008 Subaru Impreza.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2008 Subaru Impreza | |
| Make | Armstrong Siddeley | Subaru |
| Model | Star Sapphire | Impreza |
| Year Released | 1958 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 1992 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 145 HP | 158 HP |
| Engine RPM | 4250 RPM | 6400 RPM |
| Torque | 312 Nm | 186 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 97.1 mm | 92 mm |
| Engine Stroke Size | 90 mm | 75 mm |
| Engine Compression Ratio | 7.5:1 | 11.1:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1778 kg | 1310 kg |
| Vehicle Length | 4940 mm | 4470 mm |
| Vehicle Width | 1890 mm | 1750 mm |
| Vehicle Height | 1580 mm | 1450 mm |
| Wheelbase Size | 2900 mm | 2530 mm |
| Fuel Tank Capacity | 72 L | 60 L |
