1949 Armstrong Siddeley Whitley vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 58 year(s). Which means there will be less support and parts availability for 1949 Armstrong Siddeley Whitley. In addition, the cost of maintenance, including insurance, on 1949 Armstrong Siddeley Whitley would be higher. At 2,309 cc (6 cylinders), 1949 Armstrong Siddeley Whitley is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (158 HP @ 6400 RPM) has 83 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 1949 Armstrong Siddeley Whitley weights approximately 55 kg more than 2007 Subaru Impreza.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1949 Armstrong Siddeley Whitley. 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 (186 Nm @ 3200 RPM) has 41 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2007 Subaru Impreza | |
| Make | Armstrong Siddeley | Subaru |
| Model | Whitley | Impreza |
| Year Released | 1949 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 158 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 145 Nm | 186 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Engine Bore Size | 70 mm | 92 mm |
| Engine Stroke Size | 100 mm | 75 mm |
| Engine Compression Ratio | 6.5:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1375 kg |
| Vehicle Height | 1610 mm | 1740 mm |
| Wheelbase Size | 2930 mm | 2680 mm |
